Sync config, include and libiberty with GCC

config/

2020-06-24  H.J. Lu  <hongjiu.lu@intel.com>

	Sync with GCC
	2020-05-29  H.J. Lu  <hjl.tools@gmail.com>

	PR bootstrap/95413
	* cet.m4: Replace save_CFLAGS and save_LDFLAGS with
	cet_save_CFLAGS and cet_save_LDFLAGS.

include/

2020-06-24  H.J. Lu  <hongjiu.lu@intel.com>

	Sync with GCC
	2020-06-23  Nick Alcock  <nick.alcock@oracle.com>

	* libiberty.h (bsearch_r): New.

	2020-04-17  Martin Liska  <mliska@suse.cz>
		    Jonathan Yong <10walls@gmail.com>

	PR gcov-profile/94570
	* filenames.h (defined): Do not define HAVE_DOS_BASED_FILE_SYSTEM
	for CYGWIN.

libiberty/

2020-06-23  Nick Alcock  <nick.alcock@oracle.com>

	* bsearch_r.c: New file.
	* Makefile.in (CFILES): Add bsearch_r.c.
	(REQUIRED_OFILES): Add bsearch_r.o.
	* functions.texi: Regenerate.

2020-05-29  H.J. Lu  <hjl.tools@gmail.com>

	PR bootstrap/95413
	* configure: Regenerated.

2020-05-15  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-demangle.c (dlang_attributes): Add @live attribute.
	* testsuite/d-demangle-expected: Add new tests.

2020-05-14  Rainer Schuetze  <r.sagitario@gmx.de>
	    Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-demangle.c (enum dlang_symbol_kinds): Remove enum.
	(struct dlang_info): New struct
	(dlang_decode_backref): New function.
	(dlang_backref): New function.
	(dlang_symbol_backref): New function.
	(dlang_type_backref): New function.
	(dlang_symbol_name_p): New function.
	(dlang_function_type_noreturn): New function.
	(dlang_function_type): Add 'info' parameter.  Decode function type
	with dlang_function_type_noreturn.
	(dlang_function_args): Add 'info' parameter.
	(dlang_type): Add 'info' parameter.  Handle back referenced types.
	(dlang_identifier): Replace 'kind' parameter with 'info'.  Handle back
	referenced symbols.  Split off decoding of plain identifiers to...
	(dlang_lname): ...here.
	(dlang_parse_mangle): Replace 'kind' parameter with 'info'.  Decode
	function type and return with dlang_type.
	(dlang_parse_qualified): Replace 'kind' parameter with 'info', add
	'suffix_modifier' parameter.  Decode function type with
	dlang_function_type_noreturn.
	(dlang_parse_tuple): Add 'info' parameter.
	(dlang_template_symbol_param): New function.
	(dlang_template_args): Add 'info' parameter.  Decode symbol parameter
	with dlang_template_symbol_param.  Handle back referenced values, and
	externally mangled parameters.
	(dlang_parse_template): Add 'info' parameter.
	(dlang_demangle_init_info): New function.
	(dlang_demangle): Initialize and pass 'info' parameter.
	* testsuite/d-demangle-expected: Add new tests.

1 files changed, 19 insertions, 2 deletions

diff --git a/libiberty/functions.texi b/libiberty/functions.texi
index 1784ae7..e4d74b5 100644
--- a/libiberty/functions.texi
+++ b/libiberty/functions.texi
@@ -84,6 +84,23 @@ is respectively less than, matching, or greater than the array member.
 
 @end deftypefn
 
+@c bsearch_r.c:33
+@deftypefn Supplemental void* bsearch_r (const void *@var{key}, @
+  const void *@var{base}, size_t @var{nmemb}, size_t @var{size}, @
+  int (*@var{compar})(const void *, const void *, void *), void *@var{arg})
+
+Performs a search over an array of @var{nmemb} elements pointed to by
+@var{base} for a member that matches the object pointed to by @var{key}.
+The size of each member is specified by @var{size}.  The array contents
+should be sorted in ascending order according to the @var{compar}
+comparison function.  This routine should take three arguments: the first
+two point to the @var{key} and to an array member, and the last is passed
+down unchanged from @code{bsearch_r}'s last argument.  It should return an
+integer less than, equal to, or greater than zero if the @var{key} object
+is respectively less than, matching, or greater than the array member.
+
+@end deftypefn
+
 @c argv.c:138
 @deftypefn Extension char** buildargv (char *@var{sp})
 
@@ -175,7 +192,7 @@ Concatenate zero or more of strings and return the result in freshly
 
 @end deftypefn
 
-@c argv.c:487
+@c argv.c:495
 @deftypefn Extension int countargv (char * const *@var{argv})
 
 Return the number of elements in @var{argv}.
@@ -240,7 +257,7 @@ symbolic name or message.
 
 @end deftypefn
 
-@c argv.c:344
+@c argv.c:352
 @deftypefn Extension void expandargv (int *@var{argcp}, char ***@var{argvp})
 
 The @var{argcp} and @code{argvp} arguments are pointers to the usual