Merged current trunk to branch.

author: Thomas Koenig <tkoenig@gcc.gnu.org> 2021-09-13 19:49:49 +0200
committer: Thomas Koenig <tkoenig@gcc.gnu.org> 2021-09-13 19:49:49 +0200
commit: b18a97e5dd0935e1c4a626c230f21457d0aad3d5 (patch)
tree: c1818f41af6fe780deafb6cd6a183f32085fe654 /libiberty
parent: e76a53644c9d70e998c0d050e9a456af388c6b61 (diff)
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100 files changed, 662 insertions, 334 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 65a0a71..7c337c2 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,123 @@
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* configure: Regenerate.
+	* configure.ac: Do not search for sbrk on Darwin.
+	* xmalloc.c: Do not declare sbrk unless it has been found
+	by configure.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_identifier): Skip over fake parent manglings.
+	* testsuite/d-demangle-expected: Add tests.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_parse_arrayliteral): Add 'info' parameter.
+	(dlang_parse_assocarray): Likewise.
+	(dlang_parse_structlit): Likewise.
+	(dlang_value): Likewise.  Handle function literal symbols.
+	(dlang_template_args): Pass 'info' to dlang_value.
+	* testsuite/d-demangle-expected: Add new test.
+
+2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_attributes): Handle typeof(*null).
+	(dlang_type): Likewise.  Demangle 'n' as typeof(null).
+	* testsuite/d-demangle-expected: Update tests.
+
+2021-08-23  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* simple-object-mach-o.c (simple_object_mach_o_write_segment):
+	Cast the first argument to set_32 as needed.
+
+2021-08-18  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* simple-object-mach-o.c (simple_object_mach_o_write_segment):
+	Arrange to swap the LTO index tables where needed.
+
+2021-06-30  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* make-temp-file.c (usrtmp): Remove.
+	(choose_tmpdir): Remove use of usrtmp.
+
+2021-06-28  Indu Bhagat  <indu.bhagat@oracle.com>
+
+	* simple-object.c (handle_lto_debug_sections): Copy over .BTF section.
+
+2021-06-28  Indu Bhagat  <indu.bhagat@oracle.com>
+	    David Faust  <david.faust@oracle.com>
+	    Jose E. Marchesi  <jose.marchesi@oracle.com>
+	    Weimin Pan  <weimin.pan@oracle.com>
+
+	* simple-object.c (handle_lto_debug_sections): Copy over .ctf
+	sections.
+
+2021-06-05  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR target/100734
+	* configure.ac: Use libiberty snprintf and vsnprintf on
+	hppa*-*-hpux*.
+	* configure: Regenerate.
+
+2021-05-06  Tom Tromey  <tom@tromey.com>
+
+	* hashtab.c (htab_eq_string): New function.
+
+2021-05-04  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* configure.ac: Make test for variables more robust.
+	* configure: Regenerate.
+
+2021-05-03  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR bootstrap/99703
+	* configure: Regenerated.
+
+2021-04-21  Andreas Schwab  <schwab@linux-m68k.org>
+
+	PR demangler/100177
+	* rust-demangle.c (demangle_const_char): Properly print the
+	character value.
+
+2021-03-31  Patrick Palka  <ppalka@redhat.com>
+
+	PR c++/88115
+	* cp-demangle.c (d_dump, d_make_comp, d_expression_1)
+	(d_count_templates_scopes): Handle DEMANGLE_COMPONENT_VENDOR_EXPR.
+	(d_print_comp_inner): Likewise.
+	<case DEMANGLE_COMPONENT_EXTENDED_OPERATOR>: Revert r11-4926
+	change.
+	<case DEMANGLE_COMPONENT_UNARY>: Likewise.
+	* testsuite/demangle-expected: Adjust __alignof__ tests.
+
+2021-03-16  Nick Clifton  <nickc@redhat.com>
+
+	* sha1.c (sha1_process_bytes): Use memmove in place of memcpy.
+
+2021-02-20  Mike Frysinger  <vapier@gentoo.org>
+
+	* Makefile.in (ACLOCAL, ACLOCAL_AMFLAGS, $(srcdir)/aclocal.m4): Define.
+	(configure_deps): Rename to ...
+	(aclocal_deps): ... this.  Replace aclocal.m4 with acinclude.m4.
+	($(srcdir)/configure): Replace $(configure_deps) with
+	$(srcdir)/aclocal.m4.
+	* aclocal.m4: Move libiberty macros to acinclude.m4, then regenerate.
+	* acinclude.m4: New file.
+	* configure: Regenerate.
+
+2021-02-19  Ayush Mittal  <ayush.m@samsung.com>
+
+	* argv.c (expandargv): free allocated buffer if read fails.
+
+2021-02-01  Martin Sebor  <msebor@redhat.com>
+
+	* dyn-string.c (dyn_string_insert_cstr): Use memcpy instead of strncpy
+	to avoid -Wstringop-truncation.
+
+2021-01-04  Martin Liska  <mliska@suse.cz>
+
+	* strverscmp.c: Convert to utf8 from iso8859.
+
 2020-12-22  Jason Merrill  <jason@redhat.com>
 
 	PR c++/67343
diff --git a/libiberty/Makefile.in b/libiberty/Makefile.in
index 895f701..4f1213b 100644
--- a/libiberty/Makefile.in
+++ b/libiberty/Makefile.in
@@ -1,7 +1,7 @@
 # Makefile for the libiberty library.
 # Originally written by K. Richard Pixley <rich@cygnus.com>.
 #
-# Copyright (C) 1990-2020 Free Software Foundation, Inc.
+# Copyright (C) 1990-2021 Free Software Foundation, Inc.
 #
 # This file is part of the libiberty library.
 # Libiberty is free software; you can redistribute it and/or
@@ -481,18 +481,24 @@ config.status: $(srcdir)/configure
 	$(SHELL) ./config.status --recheck
 
 AUTOCONF = autoconf
-configure_deps = $(srcdir)/aclocal.m4 \
+ACLOCAL = aclocal
+ACLOCAL_AMFLAGS = -I ../config -I ..
+aclocal_deps = \
 	$(srcdir)/../config/acx.m4 \
 	$(srcdir)/../config/cet.m4 \
 	$(srcdir)/../config/enable.m4 \
 	$(srcdir)/../config/no-executables.m4 \
 	$(srcdir)/../config/override.m4 \
 	$(srcdir)/../config/picflag.m4 \
-	$(srcdir)/../config/warnings.m4
+	$(srcdir)/../config/warnings.m4 \
+	$(srcdir)/acinclude.m4
 
-$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
+$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(srcdir)/aclocal.m4
 	cd $(srcdir) && $(AUTOCONF)
 
+$(srcdir)/aclocal.m4: @MAINT@ $(aclocal_deps)
+	cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
+
 # Depending on config.h makes sure that config.status has been re-run
 # if needed.  This prevents problems with parallel builds, in case
 # subdirectories need to run config.status also.
diff --git a/libiberty/_doprnt.c b/libiberty/_doprnt.c
index a739f43..f91d80d 100644
--- a/libiberty/_doprnt.c
+++ b/libiberty/_doprnt.c
@@ -1,5 +1,5 @@
 /* Provide a version of _doprnt in terms of fprintf.
-   Copyright (C) 1998-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
    Contributed by Kaveh Ghazi  (ghazi@caip.rutgers.edu)  3/29/98
 
 This program is free software; you can redistribute it and/or modify it
diff --git a/libiberty/acinclude.m4 b/libiberty/acinclude.m4
new file mode 100644
index 0000000..6db0e50
--- /dev/null
+++ b/libiberty/acinclude.m4
@@ -0,0 +1,185 @@
+dnl Copyright (C) 2000-2021 Free Software Foundation, Inc.
+dnl
+dnl GCC is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl
+dnl GCC is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with GCC; see the file COPYING3.  If not see
+dnl <http://www.gnu.org/licenses/>.
+
+dnl See whether strncmp reads past the end of its string parameters.
+dnl On some versions of SunOS4 at least, strncmp reads a word at a time
+dnl but erroneously reads past the end of strings.  This can cause
+dnl a SEGV in some cases.
+AC_DEFUN([libiberty_AC_FUNC_STRNCMP],
+[AC_REQUIRE([AC_FUNC_MMAP])
+AC_CACHE_CHECK([for working strncmp], ac_cv_func_strncmp_works,
+[AC_TRY_RUN([
+/* Test by Jim Wilson and Kaveh Ghazi.
+   Check whether strncmp reads past the end of its string parameters. */
+#include <sys/types.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#ifndef MAP_ANON
+#ifdef MAP_ANONYMOUS
+#define MAP_ANON MAP_ANONYMOUS
+#else
+#define MAP_ANON MAP_FILE
+#endif
+#endif
+
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif
+#ifndef O_RDONLY
+#define O_RDONLY 0
+#endif
+
+#define MAP_LEN 0x10000
+
+main ()
+{
+#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE)
+  char *p;
+  int dev_zero;
+
+  dev_zero = open ("/dev/zero", O_RDONLY);
+  if (dev_zero < 0)
+    exit (1);
+
+  p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE,
+		     MAP_ANON|MAP_PRIVATE, dev_zero, 0);
+  if (p == (char *)-1)
+    p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE,
+		       MAP_ANON|MAP_PRIVATE, -1, 0);
+  if (p == (char *)-1)
+    exit (2);
+  else
+    {
+      char *string = "__si_type_info";
+      char *q = (char *) p + MAP_LEN - strlen (string) - 2;
+      char *r = (char *) p + 0xe;
+
+      strcpy (q, string);
+      strcpy (r, string);
+      strncmp (r, q, 14);
+    }
+#endif /* HAVE_MMAP || HAVE_MMAP_ANYWHERE */
+  exit (0);
+}
+], ac_cv_func_strncmp_works=yes, ac_cv_func_strncmp_works=no,
+  ac_cv_func_strncmp_works=yes)
+rm -f core core.* *.core])
+if test $ac_cv_func_strncmp_works = no ; then
+  AC_LIBOBJ([strncmp])
+fi
+])
+
+dnl See if errno must be declared even when <errno.h> is included.
+AC_DEFUN([libiberty_AC_DECLARE_ERRNO],
+[AC_CACHE_CHECK(whether errno must be declared, libiberty_cv_declare_errno,
+[AC_TRY_COMPILE(
+[#include <errno.h>],
+[int x = errno;],
+libiberty_cv_declare_errno=no,
+libiberty_cv_declare_errno=yes)])
+if test $libiberty_cv_declare_errno = yes
+then AC_DEFINE(NEED_DECLARATION_ERRNO, 1,
+  [Define if errno must be declared even when <errno.h> is included.])
+fi
+])
+
+dnl See whether we need a declaration for a function.
+AC_DEFUN([libiberty_NEED_DECLARATION],
+[AC_MSG_CHECKING([whether $1 must be declared])
+AC_CACHE_VAL(libiberty_cv_decl_needed_$1,
+[AC_TRY_COMPILE([
+#include "confdefs.h"
+#include <stdio.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif],
+[char *(*pfn) = (char *(*)) $1],
+libiberty_cv_decl_needed_$1=no, libiberty_cv_decl_needed_$1=yes)])
+AC_MSG_RESULT($libiberty_cv_decl_needed_$1)
+if test $libiberty_cv_decl_needed_$1 = yes; then
+  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
+            [Define if $1 is not declared in system header files.])
+fi
+])dnl
+
+# We always want a C version of alloca() compiled into libiberty,
+# because native-compiler support for the real alloca is so !@#$%
+# unreliable that GCC has decided to use it only when being compiled
+# by GCC.  This is the part of AC_FUNC_ALLOCA that calculates the
+# information alloca.c needs.
+AC_DEFUN([libiberty_AC_FUNC_C_ALLOCA],
+[AC_CACHE_CHECK(whether alloca needs Cray hooks, ac_cv_os_cray,
+[AC_EGREP_CPP(webecray,
+[#if defined(CRAY) && ! defined(CRAY2)
+webecray
+#else
+wenotbecray
+#endif
+], ac_cv_os_cray=yes, ac_cv_os_cray=no)])
+if test $ac_cv_os_cray = yes; then
+  for ac_func in _getb67 GETB67 getb67; do
+    AC_CHECK_FUNC($ac_func,
+      [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
+  [Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP
+   systems. This function is required for alloca.c support on those
+   systems.])  break])
+  done
+fi
+
+AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
+[AC_TRY_RUN([find_stack_direction ()
+{
+  static char *addr = 0;
+  auto char dummy;
+  if (addr == 0)
+    {
+      addr = &dummy;
+      return find_stack_direction ();
+    }
+  else
+    return (&dummy > addr) ? 1 : -1;
+}
+main ()
+{
+  exit (find_stack_direction() < 0);
+}],
+  ac_cv_c_stack_direction=1,
+  ac_cv_c_stack_direction=-1,
+  ac_cv_c_stack_direction=0)])
+AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction,
+  [Define if you know the direction of stack growth for your system;
+   otherwise it will be automatically deduced at run-time.
+        STACK_DIRECTION > 0 => grows toward higher addresses
+        STACK_DIRECTION < 0 => grows toward lower addresses
+        STACK_DIRECTION = 0 => direction of growth unknown])
+])
diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
index 34c0a5b..3378316 100644
--- a/libiberty/aclocal.m4
+++ b/libiberty/aclocal.m4
@@ -1,177 +1,21 @@
-sinclude(../config/acx.m4)
-sinclude(../config/cet.m4)
-sinclude(../config/enable.m4)
-sinclude(../config/no-executables.m4)
-sinclude(../config/override.m4)
-sinclude(../config/picflag.m4)
-sinclude(../config/warnings.m4)
-
-dnl See whether strncmp reads past the end of its string parameters.
-dnl On some versions of SunOS4 at least, strncmp reads a word at a time
-dnl but erroneously reads past the end of strings.  This can cause
-dnl a SEGV in some cases.
-AC_DEFUN(libiberty_AC_FUNC_STRNCMP,
-[AC_REQUIRE([AC_FUNC_MMAP])
-AC_CACHE_CHECK([for working strncmp], ac_cv_func_strncmp_works,
-[AC_TRY_RUN([
-/* Test by Jim Wilson and Kaveh Ghazi.
-   Check whether strncmp reads past the end of its string parameters. */
-#include <sys/types.h>
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-
-#ifndef MAP_ANON
-#ifdef MAP_ANONYMOUS
-#define MAP_ANON MAP_ANONYMOUS
-#else
-#define MAP_ANON MAP_FILE
-#endif
-#endif
-
-#ifndef MAP_FILE
-#define MAP_FILE 0
-#endif
-#ifndef O_RDONLY
-#define O_RDONLY 0
-#endif
-
-#define MAP_LEN 0x10000
-
-main ()
-{
-#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE)
-  char *p;
-  int dev_zero;
-
-  dev_zero = open ("/dev/zero", O_RDONLY);
-  if (dev_zero < 0)
-    exit (1);
-  
-  p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE,
-		     MAP_ANON|MAP_PRIVATE, dev_zero, 0);
-  if (p == (char *)-1)
-    p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE,
-		       MAP_ANON|MAP_PRIVATE, -1, 0);
-  if (p == (char *)-1)
-    exit (2);
-  else
-    {
-      char *string = "__si_type_info";
-      char *q = (char *) p + MAP_LEN - strlen (string) - 2;
-      char *r = (char *) p + 0xe;
-
-      strcpy (q, string);
-      strcpy (r, string);
-      strncmp (r, q, 14);
-    }
-#endif /* HAVE_MMAP || HAVE_MMAP_ANYWHERE */
-  exit (0);
-}
-], ac_cv_func_strncmp_works=yes, ac_cv_func_strncmp_works=no,
-  ac_cv_func_strncmp_works=yes)
-rm -f core core.* *.core])
-if test $ac_cv_func_strncmp_works = no ; then
-  AC_LIBOBJ([strncmp])
-fi
-])
-
-dnl See if errno must be declared even when <errno.h> is included.
-AC_DEFUN(libiberty_AC_DECLARE_ERRNO,
-[AC_CACHE_CHECK(whether errno must be declared, libiberty_cv_declare_errno,
-[AC_TRY_COMPILE(
-[#include <errno.h>],
-[int x = errno;],
-libiberty_cv_declare_errno=no,
-libiberty_cv_declare_errno=yes)])
-if test $libiberty_cv_declare_errno = yes
-then AC_DEFINE(NEED_DECLARATION_ERRNO, 1,
-  [Define if errno must be declared even when <errno.h> is included.])
-fi
-])
-
-dnl See whether we need a declaration for a function.
-AC_DEFUN(libiberty_NEED_DECLARATION,
-[AC_MSG_CHECKING([whether $1 must be declared])
-AC_CACHE_VAL(libiberty_cv_decl_needed_$1,
-[AC_TRY_COMPILE([
-#include "confdefs.h"
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif],
-[char *(*pfn) = (char *(*)) $1],
-libiberty_cv_decl_needed_$1=no, libiberty_cv_decl_needed_$1=yes)])
-AC_MSG_RESULT($libiberty_cv_decl_needed_$1)
-if test $libiberty_cv_decl_needed_$1 = yes; then
-  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
-            [Define if $1 is not declared in system header files.])
-fi
-])dnl
-
-# We always want a C version of alloca() compiled into libiberty,
-# because native-compiler support for the real alloca is so !@#$%
-# unreliable that GCC has decided to use it only when being compiled
-# by GCC.  This is the part of AC_FUNC_ALLOCA that calculates the
-# information alloca.c needs.
-AC_DEFUN(libiberty_AC_FUNC_C_ALLOCA,
-[AC_CACHE_CHECK(whether alloca needs Cray hooks, ac_cv_os_cray,
-[AC_EGREP_CPP(webecray,
-[#if defined(CRAY) && ! defined(CRAY2)
-webecray
-#else
-wenotbecray
-#endif
-], ac_cv_os_cray=yes, ac_cv_os_cray=no)])
-if test $ac_cv_os_cray = yes; then
-  for ac_func in _getb67 GETB67 getb67; do
-    AC_CHECK_FUNC($ac_func, 
-      [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func, 
-  [Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP
-   systems. This function is required for alloca.c support on those
-   systems.])  break])
-  done
-fi
-
-AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
-[AC_TRY_RUN([find_stack_direction ()
-{
-  static char *addr = 0;
-  auto char dummy;
-  if (addr == 0)
-    {
-      addr = &dummy;
-      return find_stack_direction ();
-    }
-  else
-    return (&dummy > addr) ? 1 : -1;
-}
-main ()
-{
-  exit (find_stack_direction() < 0);
-}], 
-  ac_cv_c_stack_direction=1,
-  ac_cv_c_stack_direction=-1,
-  ac_cv_c_stack_direction=0)])
-AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction,
-  [Define if you know the direction of stack growth for your system;
-   otherwise it will be automatically deduced at run-time.
-        STACK_DIRECTION > 0 => grows toward higher addresses
-        STACK_DIRECTION < 0 => grows toward lower addresses
-        STACK_DIRECTION = 0 => direction of growth unknown])
-])
+# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
+
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
+m4_include([../config/acx.m4])
+m4_include([../config/cet.m4])
+m4_include([../config/enable.m4])
+m4_include([../config/no-executables.m4])
+m4_include([../config/picflag.m4])
+m4_include([../config/warnings.m4])
+m4_include([acinclude.m4])
diff --git a/libiberty/argv.c b/libiberty/argv.c
index 6a72208..48dcd10 100644
--- a/libiberty/argv.c
+++ b/libiberty/argv.c
@@ -1,5 +1,5 @@
 /* Create and destroy argument vectors (argv's)
-   Copyright (C) 1992-2020 Free Software Foundation, Inc.
+   Copyright (C) 1992-2021 Free Software Foundation, Inc.
    Written by Fred Fish @ Cygnus Support
 
 This file is part of the libiberty library.
@@ -442,7 +442,10 @@ expandargv (int *argcp, char ***argvp)
 	     due to CR/LF->CR translation when reading text files.
 	     That does not in-and-of itself indicate failure.  */
 	  && ferror (f))
-	goto error;
+	{
+	  free (buffer);
+	  goto error;
+	}
       /* Add a NUL terminator.  */
       buffer[len] = '\0';
       /* If the file is empty or contains only whitespace, buildargv would
diff --git a/libiberty/asprintf.c b/libiberty/asprintf.c
index 6e38e22..5f291f2 100644
--- a/libiberty/asprintf.c
+++ b/libiberty/asprintf.c
@@ -1,6 +1,6 @@
 /* Like sprintf but provides a pointer to malloc'd storage, which must
    be freed by the caller.
-   Copyright (C) 1997-2020 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    Contributed by Cygnus Solutions.
 
 This file is part of the libiberty library.
diff --git a/libiberty/choose-temp.c b/libiberty/choose-temp.c
index 49a2faa..fefdb9b 100644
--- a/libiberty/choose-temp.c
+++ b/libiberty/choose-temp.c
@@ -1,5 +1,5 @@
 /* Utility to pick a temporary filename prefix.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/clock.c b/libiberty/clock.c
index 0de7465..648a716 100644
--- a/libiberty/clock.c
+++ b/libiberty/clock.c
@@ -1,5 +1,5 @@
 /* ANSI-compatible clock function.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.  This library is free
 software; you can redistribute it and/or modify it under the
diff --git a/libiberty/concat.c b/libiberty/concat.c
index 533e4a9..f07202f 100644
--- a/libiberty/concat.c
+++ b/libiberty/concat.c
@@ -1,5 +1,5 @@
 /* Concatenate variable number of strings.
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
    Written by Fred Fish @ Cygnus Support
 
 This file is part of the libiberty library.
diff --git a/libiberty/configure b/libiberty/configure
index b6af9ba..3c7e588 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -2458,9 +2458,6 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-
-
-
 # This works around the fact that libtool configuration may change LD
 # for this particular configuration, but some shells, instead of
 # keeping the changes in LD private, export them just because LD is
@@ -5399,6 +5396,34 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+int
+main ()
+{
+  asm ("endbr32");
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  have_multi_byte_nop=yes
+else
+  have_multi_byte_nop=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+    have_cet=no
+    if test x$have_multi_byte_nop = xyes; then
+      if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
 static void
 foo (void)
 {
@@ -5435,6 +5460,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+    fi
     if test x$enable_cet = xno -a x$have_cet = xyes; then
       as_fn_error $? "Intel CET must be enabled on Intel CET enabled host" "$LINENO" 5
     fi
@@ -5991,9 +6017,16 @@ vars="sys_errlist sys_nerr sys_siglist"
 
 checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
  getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
- realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
+ realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
  sysmp table times wait3 wait4"
 
+# Darwin has sbrk, but it is deprecated and that produces build-time warnings
+# so do not check for it.
+case "${host}" in
+  *-*-darwin*) ;;
+  *) checkfuncs="$checkfuncs sbrk"
+esac
+
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
 if test "x" = "y"; then
@@ -6562,6 +6595,22 @@ if test -z "${setobjs}"; then
     ac_cv_func_getpagesize=yes
     ;;
 
+  hppa*-*-hpux*)
+    # Replace system snprintf and vsnprintf with libiberty implementations.
+    case " $LIBOBJS " in
+  *" snprintf.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS snprintf.$ac_objext"
+ ;;
+esac
+
+    case " $LIBOBJS " in
+  *" vsnprintf.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS vsnprintf.$ac_objext"
+ ;;
+esac
+
+    ;;
+
   *-*-mingw32*)
     # Under mingw32, sys_nerr and sys_errlist exist, but they are
     # macros, so the test below won't find them.
@@ -7023,11 +7072,11 @@ else
 fi
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-int *p;
+extern int $v [];
 int
 main ()
 {
-extern int $v []; p = $v;
+if ($v [0]) return 1;
   ;
   return 0;
 }
@@ -7206,7 +7255,10 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_REALLOC $ac_have_decl
 _ACEOF
-ac_fn_c_check_decl "$LINENO" "sbrk" "ac_cv_have_decl_sbrk" "$ac_includes_default"
+
+  case "${host}" in
+      *-*-darwin*) ;; # Darwin's sbrk implementation is deprecated.
+      *) ac_fn_c_check_decl "$LINENO" "sbrk" "ac_cv_have_decl_sbrk" "$ac_includes_default"
 if test "x$ac_cv_have_decl_sbrk" = xyes; then :
   ac_have_decl=1
 else
@@ -7216,7 +7268,8 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_SBRK $ac_have_decl
 _ACEOF
-
+;;
+  esac
   ac_fn_c_check_decl "$LINENO" "strtol" "ac_cv_have_decl_strtol" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtol" = xyes; then :
   ac_have_decl=1
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index ad95296..4b78c18 100644
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -395,9 +395,16 @@ vars="sys_errlist sys_nerr sys_siglist"
 
 checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
  getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
- realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
+ realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
  sysmp table times wait3 wait4"
 
+# Darwin has sbrk, but it is deprecated and that produces build-time warnings
+# so do not check for it.
+case "${host}" in
+  *-*-darwin*) ;;
+  *) checkfuncs="$checkfuncs sbrk"
+esac
+
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
 if test "x" = "y"; then
@@ -611,6 +618,12 @@ if test -z "${setobjs}"; then
     ac_cv_func_getpagesize=yes
     ;;
 
+  hppa*-*-hpux*)
+    # Replace system snprintf and vsnprintf with libiberty implementations.
+    AC_LIBOBJ([snprintf])
+    AC_LIBOBJ([vsnprintf])
+    ;;
+
   *-*-mingw32*)
     # Under mingw32, sys_nerr and sys_errlist exist, but they are
     # macros, so the test below won't find them.
@@ -665,7 +678,7 @@ if test -z "${setobjs}"; then
   for v in $vars; do
     AC_MSG_CHECKING([for $v])
     AC_CACHE_VAL(libiberty_cv_var_$v,
-      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
+      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern int $v [];]],[[if ($v [0]) return 1;]])],
 		      [eval "libiberty_cv_var_$v=yes"],
 		      [eval "libiberty_cv_var_$v=no"])])
     if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
@@ -689,7 +702,11 @@ if test -z "${setobjs}"; then
 
   AC_CHECK_FUNCS($checkfuncs)
   AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
-  AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
+  AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc])
+  case "${host}" in
+      *-*-darwin*) ;; # Darwin's sbrk implementation is deprecated.
+      *) AC_CHECK_DECLS([sbrk]);;
+  esac
   AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull])
   AC_CHECK_DECLS([strverscmp])
   AC_CHECK_DECLS([strnlen])
diff --git a/libiberty/copying-lib.texi b/libiberty/copying-lib.texi
index ce1cb03..88df06a 100644
--- a/libiberty/copying-lib.texi
+++ b/libiberty/copying-lib.texi
@@ -5,7 +5,7 @@
 @center Version 2.1, February 1999
 
 @display
-Copyright @copyright{} 1991-2020 Free Software Foundation, Inc.
+Copyright @copyright{} 1991-2021 Free Software Foundation, Inc.
 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA
 
 Everyone is permitted to copy and distribute verbatim copies
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 5242727..33490f6 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -1,5 +1,5 @@
 /* Demangler for g++ V3 ABI.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@wasabisystems.com>.
 
    This file is part of the libiberty library, which is part of GCC.
@@ -815,6 +815,9 @@ d_dump (struct demangle_component *dc, int indent)
     case DEMANGLE_COMPONENT_LITERAL_NEG:
       printf ("negative literal\n");
       break;
+    case DEMANGLE_COMPONENT_VENDOR_EXPR:
+      printf ("vendor expression\n");
+      break;
     case DEMANGLE_COMPONENT_JAVA_RESOURCE:
       printf ("java resource\n");
       break;
@@ -976,6 +979,7 @@ d_make_comp (struct d_info *di, enum demangle_component_type type,
     case DEMANGLE_COMPONENT_TRINARY_ARG1:
     case DEMANGLE_COMPONENT_LITERAL:
     case DEMANGLE_COMPONENT_LITERAL_NEG:
+    case DEMANGLE_COMPONENT_VENDOR_EXPR:
     case DEMANGLE_COMPONENT_COMPOUND_NAME:
     case DEMANGLE_COMPONENT_VECTOR_TYPE:
     case DEMANGLE_COMPONENT_CLONE:
@@ -3344,6 +3348,7 @@ d_unresolved_name (struct d_info *di)
 		::= cl <expression>+ E
                 ::= st <type>
                 ::= <template-param>
+		::= u <source-name> <template-arg>* E # vendor extended expression
 		::= <unresolved-name>
                 ::= <expr-primary>
 
@@ -3425,6 +3430,15 @@ d_expression_1 (struct d_info *di)
       return d_make_comp (di, DEMANGLE_COMPONENT_INITIALIZER_LIST,
 			  type, d_exprlist (di, 'E'));
     }
+  else if (peek == 'u')
+    {
+      /* A vendor extended expression.  */
+      struct demangle_component *name, *args;
+      d_advance (di, 1);
+      name = d_source_name (di);
+      args = d_template_args_1 (di);
+      return d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_EXPR, name, args);
+    }
   else
     {
       struct demangle_component *op;
@@ -4229,6 +4243,7 @@ d_count_templates_scopes (struct d_print_info *dpi,
     case DEMANGLE_COMPONENT_TRINARY_ARG2:
     case DEMANGLE_COMPONENT_LITERAL:
     case DEMANGLE_COMPONENT_LITERAL_NEG:
+    case DEMANGLE_COMPONENT_VENDOR_EXPR:
     case DEMANGLE_COMPONENT_JAVA_RESOURCE:
     case DEMANGLE_COMPONENT_COMPOUND_NAME:
     case DEMANGLE_COMPONENT_DECLTYPE:
@@ -5509,18 +5524,9 @@ d_print_comp_inner (struct d_print_info *dpi, int options,
       }
 
     case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
-      {
-	struct demangle_component *name = dc->u.s_extended_operator.name;
-	if (name->type == DEMANGLE_COMPONENT_NAME
-	    && !strncmp (name->u.s_name.s, "__alignof__", name->u.s_name.len))
-	  d_print_comp (dpi, options, dc->u.s_extended_operator.name);
-	else
-	  {
-	    d_append_string (dpi, "operator ");
-	    d_print_comp (dpi, options, dc->u.s_extended_operator.name);
-	  }
-	return;
-      }
+      d_append_string (dpi, "operator ");
+      d_print_comp (dpi, options, dc->u.s_extended_operator.name);
+      return;
 
     case DEMANGLE_COMPONENT_CONVERSION:
       d_append_string (dpi, "operator ");
@@ -5585,14 +5591,8 @@ d_print_comp_inner (struct d_print_info *dpi, int options,
 	if (code && !strcmp (code, "gs"))
 	  /* Avoid parens after '::'.  */
 	  d_print_comp (dpi, options, operand);
-	else if ((code && !strcmp (code, "st"))
-		 || (op->type == DEMANGLE_COMPONENT_EXTENDED_OPERATOR
-		     && (op->u.s_extended_operator.name->type
-			 == DEMANGLE_COMPONENT_NAME)
-		     && !strncmp (op->u.s_extended_operator.name->u.s_name.s,
-				  "__alignof__",
-				  op->u.s_extended_operator.name->u.s_name.len)))
-	  /* Always print parens for sizeof (type) and __alignof__.  */
+	else if (code && !strcmp (code, "st"))
+	  /* Always print parens for sizeof (type).  */
 	  {
 	    d_append_char (dpi, '(');
 	    d_print_comp (dpi, options, operand);
@@ -5805,6 +5805,13 @@ d_print_comp_inner (struct d_print_info *dpi, int options,
       }
       return;
 
+    case DEMANGLE_COMPONENT_VENDOR_EXPR:
+      d_print_comp (dpi, options, d_left (dc));
+      d_append_char (dpi, '(');
+      d_print_comp (dpi, options, d_right (dc));
+      d_append_char (dpi, ')');
+      return;
+
     case DEMANGLE_COMPONENT_NUMBER:
       d_append_num (dpi, dc->u.s_number.number);
       return;
diff --git a/libiberty/cp-demangle.h b/libiberty/cp-demangle.h
index 27014cd..cb47bdf 100644
--- a/libiberty/cp-demangle.h
+++ b/libiberty/cp-demangle.h
@@ -1,5 +1,5 @@
 /* Internal demangler interface for g++ V3 ABI.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@wasabisystems.com>.
 
    This file is part of the libiberty library, which is part of GCC.
diff --git a/libiberty/cp-demint.c b/libiberty/cp-demint.c
index 6e41bad..9d392cc 100644
--- a/libiberty/cp-demint.c
+++ b/libiberty/cp-demint.c
@@ -1,5 +1,5 @@
 /* Demangler component interface functions.
-   Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@wasabisystems.com>.
 
    This file is part of the libiberty library, which is part of GCC.
diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c
index fb0673d..5f8cd3d 100644
--- a/libiberty/cplus-dem.c
+++ b/libiberty/cplus-dem.c
@@ -1,5 +1,5 @@
 /* Demangler for GNU C++
-   Copyright (C) 1989-2020 Free Software Foundation, Inc.
+   Copyright (C) 1989-2021 Free Software Foundation, Inc.
    Written by James Clark (jjc@jclark.uucp)
    Rewritten by Fred Fish (fnf@cygnus.com) for ARM and Lucid demangling
    Modified by Satish Pai (pai@apollo.hp.com) for HP demangling
diff --git a/libiberty/crc32.c b/libiberty/crc32.c
index 8f7832a..50eb8ec 100644
--- a/libiberty/crc32.c
+++ b/libiberty/crc32.c
@@ -1,5 +1,5 @@
 /* crc32.c
-   Copyright (C) 2009-2020 Free Software Foundation, Inc.
+   Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
    This file is part of the libiberty library.
 
diff --git a/libiberty/d-demangle.c b/libiberty/d-demangle.c
index cd3bc96..a2152cc 100644
--- a/libiberty/d-demangle.c
+++ b/libiberty/d-demangle.c
@@ -1,5 +1,5 @@
 /* Demangler for the D programming language
-   Copyright (C) 2014-2020 Free Software Foundation, Inc.
+   Copyright (C) 2014-2021 Free Software Foundation, Inc.
    Written by Iain Buclaw (ibuclaw@gdcproject.org)
 
 This file is part of the libiberty library.
@@ -191,7 +191,8 @@ static const char *dlang_function_args (string *, const char *,
 
 static const char *dlang_type (string *, const char *, struct dlang_info *);
 
-static const char *dlang_value (string *, const char *, const char *, char);
+static const char *dlang_value (string *, const char *, const char *, char,
+				struct dlang_info *);
 
 static const char *dlang_parse_qualified (string *, const char *,
 					  struct dlang_info *, int);
@@ -573,9 +574,11 @@ dlang_attributes (string *decl, const char *mangled)
 	case 'g':
 	case 'h':
 	case 'k':
+	case 'n':
 	  /* inout parameter is represented as 'Ng'.
 	     vector parameter is represented as 'Nh'.
-	     return paramenter is represented as 'Nk'.
+	     return parameter is represented as 'Nk'.
+	     typeof(*null) parameter is represented as 'Nn'.
 	     If we see this, then we know we're really in the
 	     parameter list.  Rewind and break.  */
 	  mangled--;
@@ -787,6 +790,12 @@ dlang_type (string *decl, const char *mangled, struct dlang_info *info)
 	  string_append (decl, ")");
 	  return mangled;
 	}
+      else if (*mangled == 'n') /* typeof(*null) */
+	{
+	  mangled++;
+	  string_append (decl, "typeof(*null)");
+	  return mangled;
+	}
       else
 	return NULL;
     case 'A': /* dynamic array (T[]) */
@@ -884,7 +893,7 @@ dlang_type (string *decl, const char *mangled, struct dlang_info *info)
     /* Basic types */
     case 'n':
       mangled++;
-      string_append (decl, "none");
+      string_append (decl, "typeof(null)");
       return mangled;
     case 'v':
       mangled++;
@@ -1035,6 +1044,25 @@ dlang_identifier (string *decl, const char *mangled, struct dlang_info *info)
       && (mangled[2] == 'T' || mangled[2] == 'U'))
     return dlang_parse_template (decl, mangled, info, len);
 
+  /* There can be multiple different declarations in the same function that have
+     the same mangled name.  To make the mangled names unique, a fake parent in
+     the form `__Sddd' is added to the symbol.  */
+  if (len >= 4 && mangled[0] == '_' && mangled[1] == '_' && mangled[2] == 'S')
+    {
+      const char *numptr = mangled + 3;
+      while (numptr < (mangled + len) && ISDIGIT (*numptr))
+	numptr++;
+
+      if (mangled + len == numptr)
+	{
+	  /* Skip over the fake parent.  */
+	  mangled += len;
+	  return dlang_identifier (decl, mangled, info);
+	}
+
+      /* else demangle it as a plain identifier.  */
+    }
+
   return dlang_lname (decl, mangled, len);
 }
 
@@ -1378,7 +1406,8 @@ dlang_parse_string (string *decl, const char *mangled)
 /* Extract the static array value from MANGLED and append it to DECL.
    Return the remaining string on success or NULL on failure.  */
 static const char *
-dlang_parse_arrayliteral (string *decl, const char *mangled)
+dlang_parse_arrayliteral (string *decl, const char *mangled,
+			  struct dlang_info *info)
 {
   unsigned long elements;
 
@@ -1389,7 +1418,7 @@ dlang_parse_arrayliteral (string *decl, const char *mangled)
   string_append (decl, "[");
   while (elements--)
     {
-      mangled = dlang_value (decl, mangled, NULL, '\0');
+      mangled = dlang_value (decl, mangled, NULL, '\0', info);
       if (mangled == NULL)
 	return NULL;
 
@@ -1404,7 +1433,8 @@ dlang_parse_arrayliteral (string *decl, const char *mangled)
 /* Extract the associative array value from MANGLED and append it to DECL.
    Return the remaining string on success or NULL on failure.  */
 static const char *
-dlang_parse_assocarray (string *decl, const char *mangled)
+dlang_parse_assocarray (string *decl, const char *mangled,
+			struct dlang_info *info)
 {
   unsigned long elements;
 
@@ -1415,12 +1445,12 @@ dlang_parse_assocarray (string *decl, const char *mangled)
   string_append (decl, "[");
   while (elements--)
     {
-      mangled = dlang_value (decl, mangled, NULL, '\0');
+      mangled = dlang_value (decl, mangled, NULL, '\0', info);
       if (mangled == NULL)
 	return NULL;
 
       string_append (decl, ":");
-      mangled = dlang_value (decl, mangled, NULL, '\0');
+      mangled = dlang_value (decl, mangled, NULL, '\0', info);
       if (mangled == NULL)
 	return NULL;
 
@@ -1435,7 +1465,8 @@ dlang_parse_assocarray (string *decl, const char *mangled)
 /* Extract the struct literal value for NAME from MANGLED and append it to DECL.
    Return the remaining string on success or NULL on failure.  */
 static const char *
-dlang_parse_structlit (string *decl, const char *mangled, const char *name)
+dlang_parse_structlit (string *decl, const char *mangled, const char *name,
+		       struct dlang_info *info)
 {
   unsigned long args;
 
@@ -1449,7 +1480,7 @@ dlang_parse_structlit (string *decl, const char *mangled, const char *name)
   string_append (decl, "(");
   while (args--)
     {
-      mangled = dlang_value (decl, mangled, NULL, '\0');
+      mangled = dlang_value (decl, mangled, NULL, '\0', info);
       if (mangled == NULL)
 	return NULL;
 
@@ -1464,7 +1495,8 @@ dlang_parse_structlit (string *decl, const char *mangled, const char *name)
 /* Extract the value from MANGLED and append it to DECL.
    Return the remaining string on success or NULL on failure.  */
 static const char *
-dlang_value (string *decl, const char *mangled, const char *name, char type)
+dlang_value (string *decl, const char *mangled, const char *name, char type,
+	     struct dlang_info *info)
 {
   if (mangled == NULL || *mangled == '\0')
     return NULL;
@@ -1525,15 +1557,24 @@ dlang_value (string *decl, const char *mangled, const char *name, char type)
     case 'A':
       mangled++;
       if (type == 'H')
-	mangled = dlang_parse_assocarray (decl, mangled);
+	mangled = dlang_parse_assocarray (decl, mangled, info);
       else
-	mangled = dlang_parse_arrayliteral (decl, mangled);
+	mangled = dlang_parse_arrayliteral (decl, mangled, info);
       break;
 
       /* Struct values.  */
     case 'S':
       mangled++;
-      mangled = dlang_parse_structlit (decl, mangled, name);
+      mangled = dlang_parse_structlit (decl, mangled, name, info);
+      break;
+
+      /* Function literal symbol.  */
+    case 'f':
+      mangled++;
+      if (strncmp (mangled, "_D", 2) != 0
+	  || !dlang_symbol_name_p (mangled + 2, info))
+	return NULL;
+      mangled = dlang_parse_mangle (decl, mangled, info);
       break;
 
     default:
@@ -1806,7 +1847,7 @@ dlang_template_args (string *decl, const char *mangled, struct dlang_info *info)
 	  string_need (&name, 1);
 	  *(name.p) = '\0';
 
-	  mangled = dlang_value (decl, mangled, name.b, type);
+	  mangled = dlang_value (decl, mangled, name.b, type, info);
 	  string_delete (&name);
 	  break;
 	}
diff --git a/libiberty/dwarfnames.c b/libiberty/dwarfnames.c
index af11668..630d841 100644
--- a/libiberty/dwarfnames.c
+++ b/libiberty/dwarfnames.c
@@ -1,5 +1,5 @@
 /* Names of various DWARF tags.
-   Copyright (C) 2012-2020 Free Software Foundation, Inc.
+   Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
    
diff --git a/libiberty/dyn-string.c b/libiberty/dyn-string.c
index e10f691..8d2456b 100644
--- a/libiberty/dyn-string.c
+++ b/libiberty/dyn-string.c
@@ -1,5 +1,5 @@
 /* An abstract string datatype.
-   Copyright (C) 1998-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
 This file is part of GNU CC.
@@ -277,7 +277,7 @@ dyn_string_insert_cstr (dyn_string_t dest, int pos, const char *src)
   for (i = dest->length; i >= pos; --i)
     dest->s[i + length] = dest->s[i];
   /* Splice in the new stuff.  */
-  strncpy (dest->s + pos, src, length);
+  memcpy (dest->s + pos, src, length);
   /* Compute the new length.  */
   dest->length += length;
   return 1;
diff --git a/libiberty/fdmatch.c b/libiberty/fdmatch.c
index 31803e4..fd963f8 100644
--- a/libiberty/fdmatch.c
+++ b/libiberty/fdmatch.c
@@ -1,5 +1,5 @@
 /* Compare two open file descriptors to see if they refer to the same file.
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/fibheap.c b/libiberty/fibheap.c
index b897228..cabde62 100644
--- a/libiberty/fibheap.c
+++ b/libiberty/fibheap.c
@@ -1,5 +1,5 @@
 /* A Fibonacci heap datatype.
-   Copyright (C) 1998-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
    Contributed by Daniel Berlin (dan@cgsoftware.com).
    
 This file is part of GNU CC.
diff --git a/libiberty/filedescriptor.c b/libiberty/filedescriptor.c
index ba2e87c..e613027 100644
--- a/libiberty/filedescriptor.c
+++ b/libiberty/filedescriptor.c
@@ -1,6 +1,6 @@
 /* File descriptor related functions.
 
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
 
    This file is part of the libiberty library.
 
diff --git a/libiberty/filename_cmp.c b/libiberty/filename_cmp.c
index 68fb06f..f13b0f5 100644
--- a/libiberty/filename_cmp.c
+++ b/libiberty/filename_cmp.c
@@ -1,6 +1,6 @@
 /* File name comparison routine.
 
-   Copyright (C) 2007-2020 Free Software Foundation, Inc.
+   Copyright (C) 2007-2021 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c
index 6b9b032..4feab3b 100644
--- a/libiberty/floatformat.c
+++ b/libiberty/floatformat.c
@@ -1,5 +1,5 @@
 /* IEEE floating point support routines, for GDB, the GNU Debugger.
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
diff --git a/libiberty/fnmatch.c b/libiberty/fnmatch.c
index 7be51ae..6c11ad0 100644
--- a/libiberty/fnmatch.c
+++ b/libiberty/fnmatch.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
 
 NOTE: This source is derived from an old version taken from the GNU C
 Library (glibc).
diff --git a/libiberty/fopen_unlocked.c b/libiberty/fopen_unlocked.c
index b8c426b..fc27568 100644
--- a/libiberty/fopen_unlocked.c
+++ b/libiberty/fopen_unlocked.c
@@ -1,5 +1,5 @@
 /* Implement fopen_unlocked and related functions.
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/gather-docs b/libiberty/gather-docs
index 01f1e0b..400eb54 100644
--- a/libiberty/gather-docs
+++ b/libiberty/gather-docs
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # -*- perl -*-
 
-#   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+#   Copyright (C) 2001-2021 Free Software Foundation, Inc.
 #
 # This file is part of the libiberty library.
 # Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/getopt.c b/libiberty/getopt.c
index 7119b62..5d9bcaa 100644
--- a/libiberty/getopt.c
+++ b/libiberty/getopt.c
@@ -3,7 +3,7 @@
    "Keep this file name-space clean" means, talk to drepper@gnu.org
    before changing it!
 
-   Copyright (C) 1987-2020 Free Software Foundation, Inc.
+   Copyright (C) 1987-2021 Free Software Foundation, Inc.
 
    NOTE: This source is derived from an old version taken from the GNU C
    Library (glibc).
diff --git a/libiberty/getopt1.c b/libiberty/getopt1.c
index 8724247..3d24d2b 100644
--- a/libiberty/getopt1.c
+++ b/libiberty/getopt1.c
@@ -1,5 +1,5 @@
 /* getopt_long and getopt_long_only entry points for GNU getopt.
-   Copyright (C) 1987-2020 Free Software Foundation, Inc.
+   Copyright (C) 1987-2021 Free Software Foundation, Inc.
 
    NOTE: This source is derived from an old version taken from the GNU C
    Library (glibc).
diff --git a/libiberty/getruntime.c b/libiberty/getruntime.c
index f9f7841..951c3fe 100644
--- a/libiberty/getruntime.c
+++ b/libiberty/getruntime.c
@@ -1,5 +1,5 @@
 /* Return time used so far, in microseconds.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/hashtab.c b/libiberty/hashtab.c
index 225e9e5..7c424e8 100644
--- a/libiberty/hashtab.c
+++ b/libiberty/hashtab.c
@@ -1,5 +1,5 @@
 /* An expandable hash tables datatype.  
-   Copyright (C) 1999-2020 Free Software Foundation, Inc.
+   Copyright (C) 1999-2021 Free Software Foundation, Inc.
    Contributed by Vladimir Makarov (vmakarov@cygnus.com).
 
 This file is part of the libiberty library.
@@ -841,6 +841,13 @@ htab_hash_string (const PTR p)
   return r;
 }
 
+/* An equality function for null-terminated strings.  */
+int
+htab_eq_string (const void *a, const void *b)
+{
+  return strcmp ((const char *) a, (const char *) b) == 0;
+}
+
 /* DERIVED FROM:
 --------------------------------------------------------------------
 lookup2.c, by Bob Jenkins, December 1996, Public Domain.
diff --git a/libiberty/hex.c b/libiberty/hex.c
index f2b57e3..76fb33f 100644
--- a/libiberty/hex.c
+++ b/libiberty/hex.c
@@ -1,5 +1,5 @@
 /* Hex character manipulation support.
-   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/lbasename.c b/libiberty/lbasename.c
index 6715b20..8bed46f 100644
--- a/libiberty/lbasename.c
+++ b/libiberty/lbasename.c
@@ -1,6 +1,6 @@
 /* Libiberty basename.  Like basename, but is not overridden by the
    system C library.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/libiberty.texi b/libiberty/libiberty.texi
index 01751be..d71b455 100644
--- a/libiberty/libiberty.texi
+++ b/libiberty/libiberty.texi
@@ -24,7 +24,7 @@
 @ifinfo
 This manual describes the GNU @libib library of utility subroutines.
 
-Copyright @copyright{} 2001-2020 Free Software Foundation, Inc.
+Copyright @copyright{} 2001-2021 Free Software Foundation, Inc.
 
       Permission is granted to copy, distribute and/or modify this document
       under the terms of the GNU Free Documentation License, Version 1.3
@@ -50,7 +50,7 @@ notice identical to this one except for the removal of this paragraph
 
 
 @vskip 0pt plus 1filll
-Copyright @copyright{} 2001-2020 Free Software Foundation, Inc.
+Copyright @copyright{} 2001-2021 Free Software Foundation, Inc.
 
       Permission is granted to copy, distribute and/or modify this document
       under the terms of the GNU Free Documentation License, Version 1.3
diff --git a/libiberty/lrealpath.c b/libiberty/lrealpath.c
index d6694c4..83bdd17 100644
--- a/libiberty/lrealpath.c
+++ b/libiberty/lrealpath.c
@@ -1,7 +1,7 @@
 /* Libiberty realpath.  Like realpath, but more consistent behavior.
    Based on gdb_realpath from GDB.
 
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
 
    This file is part of the libiberty library.
 
diff --git a/libiberty/maint-tool b/libiberty/maint-tool
index c27c3a4..9645030 100644
--- a/libiberty/maint-tool
+++ b/libiberty/maint-tool
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # -*- perl -*-
 
-#   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+#   Copyright (C) 2001-2021 Free Software Foundation, Inc.
 #
 # This file is part of the libiberty library.
 # Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/make-relative-prefix.c b/libiberty/make-relative-prefix.c
index e3f9f92..ef932ff 100644
--- a/libiberty/make-relative-prefix.c
+++ b/libiberty/make-relative-prefix.c
@@ -1,5 +1,5 @@
 /* Relative (relocatable) prefix support.
-   Copyright (C) 1987-2020 Free Software Foundation, Inc.
+   Copyright (C) 1987-2021 Free Software Foundation, Inc.
 
 This file is part of libiberty.
 
diff --git a/libiberty/make-temp-file.c b/libiberty/make-temp-file.c
index cb08c27..31f87fb 100644
--- a/libiberty/make-temp-file.c
+++ b/libiberty/make-temp-file.c
@@ -1,5 +1,5 @@
 /* Utility to pick a temporary filename prefix.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
@@ -81,8 +81,6 @@ try_dir (const char *dir, const char *base)
 }
 
 static const char tmp[] = { DIR_SEPARATOR, 't', 'm', 'p', 0 };
-static const char usrtmp[] =
-{ DIR_SEPARATOR, 'u', 's', 'r', DIR_SEPARATOR, 't', 'm', 'p', 0 };
 static const char vartmp[] =
 { DIR_SEPARATOR, 'v', 'a', 'r', DIR_SEPARATOR, 't', 'm', 'p', 0 };
 
@@ -129,9 +127,8 @@ choose_tmpdir (void)
 	base = try_dir (P_tmpdir, base);
 #endif
 
-      /* Try /var/tmp, /usr/tmp, then /tmp.  */
+      /* Try /var/tmp, then /tmp.  */
       base = try_dir (vartmp, base);
-      base = try_dir (usrtmp, base);
       base = try_dir (tmp, base);
       
       /* If all else fails, use the current directory!  */
diff --git a/libiberty/md5.c b/libiberty/md5.c
index 755b8ff..a8c8de2 100644
--- a/libiberty/md5.c
+++ b/libiberty/md5.c
@@ -1,6 +1,6 @@
 /* md5.c - Functions to compute MD5 message digest of files or memory blocks
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 Free Software Foundation, Inc.
 
    NOTE: This source is derived from an old version taken from the GNU C
    Library (glibc).
diff --git a/libiberty/memmem.c b/libiberty/memmem.c
index 1e26c8b..b86c6c1 100644
--- a/libiberty/memmem.c
+++ b/libiberty/memmem.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/libiberty/mempcpy.c b/libiberty/mempcpy.c
index a65a557..f4c624d 100644
--- a/libiberty/mempcpy.c
+++ b/libiberty/mempcpy.c
@@ -1,5 +1,5 @@
 /* Implement the mempcpy function.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/mkstemps.c b/libiberty/mkstemps.c
index 18d879a..342c828 100644
--- a/libiberty/mkstemps.c
+++ b/libiberty/mkstemps.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
    This file is derived from mkstemp.c from the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/libiberty/objalloc.c b/libiberty/objalloc.c
index 131598f..cf51905 100644
--- a/libiberty/objalloc.c
+++ b/libiberty/objalloc.c
@@ -1,5 +1,5 @@
 /* objalloc.c -- routines to allocate memory for objects
-   Copyright (C) 1997-2020 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Cygnus Solutions.
 
 This program is free software; you can redistribute it and/or modify it
diff --git a/libiberty/obstack.c b/libiberty/obstack.c
index 0a4e57e..aa1173d 100644
--- a/libiberty/obstack.c
+++ b/libiberty/obstack.c
@@ -1,5 +1,5 @@
 /* obstack.c - subroutines used implicitly by object stack macros
-   Copyright (C) 1988-2020 Free Software Foundation, Inc.
+   Copyright (C) 1988-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/libiberty/partition.c b/libiberty/partition.c
index 2e17515..81e5fc0 100644
--- a/libiberty/partition.c
+++ b/libiberty/partition.c
@@ -1,5 +1,5 @@
 /* List implementation of a partition of consecutive integers.
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
    Contributed by CodeSourcery, LLC.
 
    This file is part of GNU CC.
diff --git a/libiberty/pex-common.c b/libiberty/pex-common.c
index 30cd904..12a8695 100644
--- a/libiberty/pex-common.c
+++ b/libiberty/pex-common.c
@@ -1,5 +1,5 @@
 /* Common code for executing a program in a sub-process.
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@airs.com>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/pex-common.h b/libiberty/pex-common.h
index 54dd1a1..5324c54 100644
--- a/libiberty/pex-common.h
+++ b/libiberty/pex-common.h
@@ -1,6 +1,6 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.  Shared logic.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/pex-djgpp.c b/libiberty/pex-djgpp.c
index 3511808..4d192d2 100644
--- a/libiberty/pex-djgpp.c
+++ b/libiberty/pex-djgpp.c
@@ -1,6 +1,6 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.  DJGPP specialization.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/pex-msdos.c b/libiberty/pex-msdos.c
index 67a4733..d2ba3b9 100644
--- a/libiberty/pex-msdos.c
+++ b/libiberty/pex-msdos.c
@@ -1,6 +1,6 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.  Generic MSDOS specialization.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/pex-one.c b/libiberty/pex-one.c
index 2dcf6c0..2cee7f9 100644
--- a/libiberty/pex-one.c
+++ b/libiberty/pex-one.c
@@ -1,5 +1,5 @@
 /* Execute a program and wait for a result.
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/pex-unix.c b/libiberty/pex-unix.c
index 684a49a..8da2fdc 100644
--- a/libiberty/pex-unix.c
+++ b/libiberty/pex-unix.c
@@ -1,7 +1,7 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.  Generic Unix version
    (also used for UWIN and VMS).
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/pex-win32.c b/libiberty/pex-win32.c
index f5fafaa..ecfe7f1 100644
--- a/libiberty/pex-win32.c
+++ b/libiberty/pex-win32.c
@@ -1,6 +1,6 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.  Generic Win32 specialization.
-   Copyright (C) 1996-2020 Free Software Foundation, Inc.
+   Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/pexecute.c b/libiberty/pexecute.c
index 2dfcdda..e501116 100644
--- a/libiberty/pexecute.c
+++ b/libiberty/pexecute.c
@@ -1,6 +1,6 @@
 /* Utilities to execute a program in a subprocess (possibly linked by pipes
    with other subprocesses), and wait for it.
-   Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/physmem.c b/libiberty/physmem.c
index f942716..3dc8d9d 100644
--- a/libiberty/physmem.c
+++ b/libiberty/physmem.c
@@ -1,5 +1,5 @@
 /* Calculate the size of physical memory.
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/libiberty/putenv.c b/libiberty/putenv.c
index f3ddf83..a78d67f 100644
--- a/libiberty/putenv.c
+++ b/libiberty/putenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
    This file based on putenv.c in the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/libiberty/regex.c b/libiberty/regex.c
index 7d20319..5531d87 100644
--- a/libiberty/regex.c
+++ b/libiberty/regex.c
@@ -3,7 +3,7 @@
    (Implements POSIX draft P1003.2/D11.2, except for some of the
    internationalization features.)
 
-   Copyright (C) 1993-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
index 08c615f..449941b 100644
--- a/libiberty/rust-demangle.c
+++ b/libiberty/rust-demangle.c
@@ -1,5 +1,5 @@
 /* Demangler for the Rust programming language
-   Copyright (C) 2016-2020 Free Software Foundation, Inc.
+   Copyright (C) 2016-2021 Free Software Foundation, Inc.
    Written by David Tolnay (dtolnay@gmail.com).
    Rewritten by Eduard-Mihai Burtescu (eddyb@lyken.rs) for v0 support.
 
@@ -1253,9 +1253,12 @@ demangle_const_char (struct rust_demangler *rdm)
   else if (value == '\n')
     PRINT ("\\n");
   else if (value > ' ' && value < '~')
-    /* Rust also considers many non-ASCII codepoints to be printable, but
-       that logic is not easily ported to C. */
-    print_str (rdm, (char *) &value, 1);
+    {
+      /* Rust also considers many non-ASCII codepoints to be printable, but
+	 that logic is not easily ported to C. */
+      char c = value;
+      print_str (rdm, &c, 1);
+    }
   else
     {
       PRINT ("\\u{");
diff --git a/libiberty/safe-ctype.c b/libiberty/safe-ctype.c
index 56364e6..3eeb33fd 100644
--- a/libiberty/safe-ctype.c
+++ b/libiberty/safe-ctype.c
@@ -1,6 +1,6 @@
 /* <ctype.h> replacement macros.
 
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
    Contributed by Zack Weinberg <zackw@stanford.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/setenv.c b/libiberty/setenv.c
index 82bf1b8..55d5502 100644
--- a/libiberty/setenv.c
+++ b/libiberty/setenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file based on setenv.c in the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/libiberty/setproctitle.c b/libiberty/setproctitle.c
index 3de50f6..b87c302 100644
--- a/libiberty/setproctitle.c
+++ b/libiberty/setproctitle.c
@@ -1,5 +1,5 @@
 /* Set the title of a process.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/sha1.c b/libiberty/sha1.c
index af08219..7d15d48 100644
--- a/libiberty/sha1.c
+++ b/libiberty/sha1.c
@@ -1,7 +1,7 @@
 /* sha1.c - Functions to compute SHA1 message digest of files or
    memory blocks according to the NIST specification FIPS-180-1.
 
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -258,7 +258,7 @@ sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx)
 	{
 	  sha1_process_block (ctx->buffer, 64, ctx);
 	  left_over -= 64;
-	  memcpy (ctx->buffer, &ctx->buffer[16], left_over);
+	  memmove (ctx->buffer, &ctx->buffer[16], left_over);
 	}
       ctx->buflen = left_over;
     }
diff --git a/libiberty/simple-object-coff.c b/libiberty/simple-object-coff.c
index 104cd56..22723e3 100644
--- a/libiberty/simple-object-coff.c
+++ b/libiberty/simple-object-coff.c
@@ -1,5 +1,5 @@
 /* simple-object-coff.c -- routines to manipulate COFF object files.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 This program is free software; you can redistribute it and/or modify it
diff --git a/libiberty/simple-object-common.h b/libiberty/simple-object-common.h
index 2e3f187..e4b704e 100644
--- a/libiberty/simple-object-common.h
+++ b/libiberty/simple-object-common.h
@@ -1,5 +1,5 @@
 /* simple-object-common.h -- common structs for object file manipulation.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/simple-object-elf.c b/libiberty/simple-object-elf.c
index 37e7334..a421177 100644
--- a/libiberty/simple-object-elf.c
+++ b/libiberty/simple-object-elf.c
@@ -1,5 +1,5 @@
 /* simple-object-elf.c -- routines to manipulate ELF object files.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 This program is free software; you can redistribute it and/or modify it
diff --git a/libiberty/simple-object-mach-o.c b/libiberty/simple-object-mach-o.c
index 14f5342..a8869e7 100644
--- a/libiberty/simple-object-mach-o.c
+++ b/libiberty/simple-object-mach-o.c
@@ -1,5 +1,5 @@
 /* simple-object-mach-o.c -- routines to manipulate Mach-O object files.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 This program is free software; you can redistribute it and/or modify it
@@ -1225,6 +1225,11 @@ simple_object_mach_o_write_segment (simple_object_write *sobj, int descriptor,
 	index[4 * i] -= index[0];
       index[0] = 0;
 
+      /* Swap the indices, if required.  */
+
+      for (i = 0; i < (nsects_in * 4); ++i)
+	set_32 ((unsigned char *) &index[i], index[i]);
+
       sechdr_offset += sechdrsize;
 
       /* Write out the section names.
diff --git a/libiberty/simple-object-xcoff.c b/libiberty/simple-object-xcoff.c
index d874de2..776d5dc 100644
--- a/libiberty/simple-object-xcoff.c
+++ b/libiberty/simple-object-xcoff.c
@@ -1,5 +1,5 @@
 /* simple-object-coff.c -- routines to manipulate XCOFF object files.
-   Copyright (C) 2013-2020 Free Software Foundation, Inc.
+   Copyright (C) 2013-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google and David Edelsohn, IBM.
 
 This program is free software; you can redistribute it and/or modify it
diff --git a/libiberty/simple-object.c b/libiberty/simple-object.c
index 92f5698..facbf94f 100644
--- a/libiberty/simple-object.c
+++ b/libiberty/simple-object.c
@@ -1,5 +1,5 @@
 /* simple-object.c -- simple routines to read and write object files.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 This program is free software; you can redistribute it and/or modify it
@@ -304,6 +304,12 @@ handle_lto_debug_sections (const char *name, int rename)
   /* Copy over .GCC.command.line section under the same name if present.  */
   else if (strcmp (name, ".GCC.command.line") == 0)
     return strcpy (newname, name);
+  /* Copy over .ctf section under the same name if present.  */
+  else if (strcmp (name, ".ctf") == 0)
+    return strcpy (newname, name);
+  /* Copy over .BTF section under the same name if present.  */
+  else if (strcmp (name, ".BTF") == 0)
+    return strcpy (newname, name);
   free (newname);
   return NULL;
 }
diff --git a/libiberty/snprintf.c b/libiberty/snprintf.c
index 2ab931e..1e34598 100644
--- a/libiberty/snprintf.c
+++ b/libiberty/snprintf.c
@@ -1,5 +1,5 @@
 /* Implement the snprintf function.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.  This library is free
diff --git a/libiberty/sort.c b/libiberty/sort.c
index fd8f926..a6760eb 100644
--- a/libiberty/sort.c
+++ b/libiberty/sort.c
@@ -1,5 +1,5 @@
 /* Sorting algorithms.
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
    Contributed by Mark Mitchell <mark@codesourcery.com>.
 
 This file is part of GNU CC.
diff --git a/libiberty/spaces.c b/libiberty/spaces.c
index d97390b..5dcb5b1 100644
--- a/libiberty/spaces.c
+++ b/libiberty/spaces.c
@@ -1,5 +1,5 @@
 /* Allocate memory region filled with spaces.
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/splay-tree.c b/libiberty/splay-tree.c
index 3b7b810..7c8973c 100644
--- a/libiberty/splay-tree.c
+++ b/libiberty/splay-tree.c
@@ -1,5 +1,5 @@
 /* A splay-tree datatype.  
-   Copyright (C) 1998-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
 This file is part of GNU CC.
diff --git a/libiberty/stack-limit.c b/libiberty/stack-limit.c
index 390adf3..fa9e38d 100644
--- a/libiberty/stack-limit.c
+++ b/libiberty/stack-limit.c
@@ -1,5 +1,5 @@
 /* Increase stack size limit if possible.
-   Copyright (C) 2011-2020 Free Software Foundation, Inc.
+   Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.  This library is free
 software; you can redistribute it and/or modify it under the
diff --git a/libiberty/stpcpy.c b/libiberty/stpcpy.c
index 2b0a850..5f2a48e 100644
--- a/libiberty/stpcpy.c
+++ b/libiberty/stpcpy.c
@@ -1,5 +1,5 @@
 /* Implement the stpcpy function.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/stpncpy.c b/libiberty/stpncpy.c
index 641b8f9..8c7306c 100644
--- a/libiberty/stpncpy.c
+++ b/libiberty/stpncpy.c
@@ -1,5 +1,5 @@
 /* Implement the stpncpy function.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/strndup.c b/libiberty/strndup.c
index a7ff3a9..1d300ed 100644
--- a/libiberty/strndup.c
+++ b/libiberty/strndup.c
@@ -1,5 +1,5 @@
 /* Implement the strndup function.
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/strtod.c b/libiberty/strtod.c
index de8c54c..c23eac4 100644
--- a/libiberty/strtod.c
+++ b/libiberty/strtod.c
@@ -1,5 +1,5 @@
 /* Implementation of strtod for systems with atof.
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.  This library is free
 software; you can redistribute it and/or modify it under the
diff --git a/libiberty/strverscmp.c b/libiberty/strverscmp.c
index c317346..57a71da 100644
--- a/libiberty/strverscmp.c
+++ b/libiberty/strverscmp.c
@@ -1,7 +1,7 @@
 /* Compare strings while treating digits characters numerically.
-   Copyright (C) 1997-2020 Free Software Foundation, Inc.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the libiberty library.
-   Contributed by Jean-Fran�ois Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
+   Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
 
    Libiberty is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/libiberty/testsuite/Makefile.in b/libiberty/testsuite/Makefile.in
index 1f05557..5d0d1e6 100644
--- a/libiberty/testsuite/Makefile.in
+++ b/libiberty/testsuite/Makefile.in
@@ -1,6 +1,6 @@
 #
 # Makefile
-#   Copyright (C) 1999-2020 Free Software Foundation, Inc.
+#   Copyright (C) 1999-2021 Free Software Foundation, Inc.
 #
 # This file is part of the libiberty library.
 # Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/testsuite/d-demangle-expected b/libiberty/testsuite/d-demangle-expected
index ba0ffed..c35185c 100644
--- a/libiberty/testsuite/d-demangle-expected
+++ b/libiberty/testsuite/d-demangle-expected
@@ -83,7 +83,11 @@ demangle.test(ulong)
 #
 --format=dlang
 _D8demangle4testFnZv
-demangle.test(none)
+demangle.test(typeof(null))
+#
+--format=dlang
+_D8demangle4testFNnZv
+demangle.test(typeof(*null))
 #
 --format=dlang
 _D8demangle4testFoZv
@@ -1414,3 +1418,31 @@ std.algorithm.iteration.FilterResult!(std.typecons.Tuple!(int, "a", int, "b", in
 --format=dlang
 _D3std3uni__T6toCaseS_DQvQt12toLowerIndexFNaNbNiNewZtVii1043S_DQCjQCi10toLowerTabFNaNbNiNemZwSQDo5ascii7toLowerTAyaZQDzFNaNeQmZ14__foreachbody2MFNaNeKmKwZ14__foreachbody3MFNaNeKwZi
 std.uni.toCase!(std.uni.toLowerIndex(dchar), 1043, std.uni.toLowerTab(ulong), std.ascii.toLower, immutable(char)[]).toCase(immutable(char)[]).__foreachbody2(ref ulong, ref dchar).__foreachbody3(ref dchar)
+#
+--format=dlang
+_D8demangle4mainFZ1xi
+demangle.main().x
+#
+--format=dlang
+_D8demangle4mainFZ4__S11xi
+demangle.main().x
+#
+--format=dlang
+_D8demangle4mainFZ1fMFNaNbNiNfZv
+demangle.main().f()
+#
+--format=dlang
+_D8demangle4mainFZ4__S11fMFNaNbNiNfZv
+demangle.main().f()
+#
+--format=dlang
+_D3mod4funcFZ__T6nestedTiZQkMFNaNbNiNfZi
+mod.func().nested!(int).nested()
+#
+--format=dlang
+_D3mod4funcFZ__T6nestedTiZ4__S1QpMFNaNbNiNfZi
+mod.func().nested!(int).nested()
+#
+--format=dlang
+_D6mangle__T8fun21753VSQv6S21753S1f_DQBj10__lambda71MFNaNbNiNfZvZQCbQp
+mangle.fun21753!(mangle.S21753(mangle.__lambda71())).fun21753
diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
index e6b5b64..19a0d62 100644
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@@ -1471,10 +1471,10 @@ _Z2F2IZ1FvEUlvE_EN1AIT_E1XES2_
 A<F()::{lambda()#1}>::X F2<F()::{lambda()#1}>(F()::{lambda()#1})
 
 # PR 88115
-_Z1fIiEvDTv111__alignof__T_E
+_Z1fIiEvDTu11__alignof__T_EE
 void f<int>(decltype (__alignof__(int)))
 
-_Z1fIiEvDTv111__alignof__tlT_EE
+_Z1fIiEvDTu11__alignof__XtlT_EEEE
 void f<int>(decltype (__alignof__(int{})))
 
 _Z1gI1AEv1SIXadsrT_oncviEE
diff --git a/libiberty/testsuite/demangler-fuzzer.c b/libiberty/testsuite/demangler-fuzzer.c
index 9e35caa..aa73399 100644
--- a/libiberty/testsuite/demangler-fuzzer.c
+++ b/libiberty/testsuite/demangler-fuzzer.c
@@ -1,6 +1,6 @@
 /* Demangler fuzzer.
 
-   Copyright (C) 2014-2020 Free Software Foundation, Inc.
+   Copyright (C) 2014-2021 Free Software Foundation, Inc.
 
    This file is part of GNU libiberty.
 
diff --git a/libiberty/testsuite/test-demangle.c b/libiberty/testsuite/test-demangle.c
index eb3bcbd..b8024f2 100644
--- a/libiberty/testsuite/test-demangle.c
+++ b/libiberty/testsuite/test-demangle.c
@@ -1,5 +1,5 @@
 /* Demangler test program,
-   Copyright (C) 2002-2020 Free Software Foundation, Inc.
+   Copyright (C) 2002-2021 Free Software Foundation, Inc.
    Written by Zack Weinberg <zack@codesourcery.com
 
    This file is part of GNU libiberty.
diff --git a/libiberty/testsuite/test-expandargv.c b/libiberty/testsuite/test-expandargv.c
index 66bc010..56c170f 100644
--- a/libiberty/testsuite/test-expandargv.c
+++ b/libiberty/testsuite/test-expandargv.c
@@ -1,5 +1,5 @@
 /* expandargv test program,
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
    Written by Carlos O'Donell <carlos@codesourcery.com>
 
    This file is part of the libiberty library, which is part of GCC.
diff --git a/libiberty/testsuite/test-pexecute.c b/libiberty/testsuite/test-pexecute.c
index 30c990d..c26296f 100644
--- a/libiberty/testsuite/test-pexecute.c
+++ b/libiberty/testsuite/test-pexecute.c
@@ -1,5 +1,5 @@
 /* Pexecute test program,
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@airs.com>.
 
    This file is part of GNU libiberty.
diff --git a/libiberty/testsuite/test-strtol.c b/libiberty/testsuite/test-strtol.c
index fd5f89d..6c13206 100644
--- a/libiberty/testsuite/test-strtol.c
+++ b/libiberty/testsuite/test-strtol.c
@@ -1,5 +1,5 @@
 /* Test program for strtol family of funtions,
-   Copyright (C) 2014-2020 Free Software Foundation, Inc.
+   Copyright (C) 2014-2021 Free Software Foundation, Inc.
    Written by Yury Gribov <y.gribov@samsung.com>
 
    This file is part of the libiberty library, which is part of GCC.
diff --git a/libiberty/timeval-utils.c b/libiberty/timeval-utils.c
index ee46b56..3094a78 100644
--- a/libiberty/timeval-utils.c
+++ b/libiberty/timeval-utils.c
@@ -1,5 +1,5 @@
 /* Basic struct timeval utilities.
-   Copyright (C) 2011-2020 Free Software Foundation, Inc.
+   Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/unlink-if-ordinary.c b/libiberty/unlink-if-ordinary.c
index b4d6f0a..04ed99f 100644
--- a/libiberty/unlink-if-ordinary.c
+++ b/libiberty/unlink-if-ordinary.c
@@ -1,5 +1,5 @@
 /* unlink-if-ordinary.c - remove link to a file unless it is special
-   Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.  This library is free
 software; you can redistribute it and/or modify it under the
diff --git a/libiberty/vasprintf.c b/libiberty/vasprintf.c
index 0bdd41a..de6f073 100644
--- a/libiberty/vasprintf.c
+++ b/libiberty/vasprintf.c
@@ -1,6 +1,6 @@
 /* Like vsprintf but provides a pointer to malloc'd storage, which must
    be freed by the caller.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/vfprintf.c b/libiberty/vfprintf.c
index 433d12d..daa32fa 100644
--- a/libiberty/vfprintf.c
+++ b/libiberty/vfprintf.c
@@ -1,6 +1,6 @@
 /* Provide a version vfprintf in terms of _doprnt.
    By Kaveh Ghazi  (ghazi@caip.rutgers.edu)  3/29/98
-   Copyright (C) 1998-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
  */
 
 #include "ansidecl.h"
diff --git a/libiberty/vprintf-support.c b/libiberty/vprintf-support.c
index 52e7378..62f9ffc 100644
--- a/libiberty/vprintf-support.c
+++ b/libiberty/vprintf-support.c
@@ -1,6 +1,6 @@
 /* Estimate the length of the string generated by a vprintf-like
    function.  Used by vasprintf and xvasprintf.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/vprintf-support.h b/libiberty/vprintf-support.h
index ea689df..29e1726 100644
--- a/libiberty/vprintf-support.h
+++ b/libiberty/vprintf-support.h
@@ -1,6 +1,6 @@
 /* Estimate the length of the string generated by a vprintf-like
    function.  Use by vasprintf and xvasprintf.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/vsnprintf.c b/libiberty/vsnprintf.c
index 76a7711..6aa1c09 100644
--- a/libiberty/vsnprintf.c
+++ b/libiberty/vsnprintf.c
@@ -1,5 +1,5 @@
 /* Implement the vsnprintf function.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   Copyright (C) 2003-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.  This library is free
diff --git a/libiberty/vsprintf.c b/libiberty/vsprintf.c
index 6337569..5517704 100644
--- a/libiberty/vsprintf.c
+++ b/libiberty/vsprintf.c
@@ -3,7 +3,7 @@
    implementations of stdio; newer ones should already have vsprintf.
    Written by Per Bothner of Cygnus Support.
    Based on libg++'s "form" (written by Doug Lea; dl@rocky.oswego.edu).
-   Copyright (C) 1991-2020 Free Software Foundation, Inc.
+   Copyright (C) 1991-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.  This library is free
 software; you can redistribute it and/or modify it under the
diff --git a/libiberty/xasprintf.c b/libiberty/xasprintf.c
index 76fb4b3..6975a1d 100644
--- a/libiberty/xasprintf.c
+++ b/libiberty/xasprintf.c
@@ -1,5 +1,5 @@
 /* Implement the xasprintf function.
-   Copyright (C) 2014-2020 Free Software Foundation, Inc.
+   Copyright (C) 2014-2021 Free Software Foundation, Inc.
    Contributed by Manuel Lopez-Ibanez.
 
 This file is part of the libiberty library.
diff --git a/libiberty/xexit.c b/libiberty/xexit.c
index 268aef1..51efe79 100644
--- a/libiberty/xexit.c
+++ b/libiberty/xexit.c
@@ -1,5 +1,5 @@
 /* xexit.c -- Run any exit handlers, then exit.
-   Copyright (C) 1994-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994-2021 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
diff --git a/libiberty/xmalloc.c b/libiberty/xmalloc.c
index 96d51b5..b9e23c3 100644
--- a/libiberty/xmalloc.c
+++ b/libiberty/xmalloc.c
@@ -1,5 +1,5 @@
 /* memory allocation routines with error checking.
-   Copyright (C) 1989-2020 Free Software Foundation, Inc.
+   Copyright (C) 1989-2021 Free Software Foundation, Inc.
    
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
@@ -87,7 +87,9 @@ extern "C" {
 void *malloc (size_t);
 void *realloc (void *, size_t);
 void *calloc (size_t, size_t);
+#ifdef HAVE_SBRK
 void *sbrk (ptrdiff_t);
+#endif
 #    ifdef __cplusplus
 }
 #    endif /* __cplusplus */
diff --git a/libiberty/xstrndup.c b/libiberty/xstrndup.c
index 32ba832..1ad175d 100644
--- a/libiberty/xstrndup.c
+++ b/libiberty/xstrndup.c
@@ -1,5 +1,5 @@
 /* Implement the xstrndup function.
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
    Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
 
 This file is part of the libiberty library.
diff --git a/libiberty/xvasprintf.c b/libiberty/xvasprintf.c
index 1ac513e..7911901 100644
--- a/libiberty/xvasprintf.c
+++ b/libiberty/xvasprintf.c
@@ -1,5 +1,5 @@
 /* Implement the xvasprintf function.
-   Copyright (C) 2014-2020 Free Software Foundation, Inc.
+   Copyright (C) 2014-2021 Free Software Foundation, Inc.
    Contributed by Manuel Lopez-Ibanez.
 
 This file is part of the libiberty library.
author	Thomas Koenig <tkoenig@gcc.gnu.org>	2021-09-13 19:49:49 +0200
committer	Thomas Koenig <tkoenig@gcc.gnu.org>	2021-09-13 19:49:49 +0200
commit	b18a97e5dd0935e1c4a626c230f21457d0aad3d5 (patch)
tree	c1818f41af6fe780deafb6cd6a183f32085fe654 /libiberty
parent	e76a53644c9d70e998c0d050e9a456af388c6b61 (diff)
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