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Avoid nested save_CFLAGS and save_LDFLAGS by replacing save_CFLAGS and
save_LDFLAGS with cet_save_CFLAGS and cet_save_LDFLAGS in cet.m4.
config/
PR bootstrap/95413
* cet.m4: Replace save_CFLAGS and save_LDFLAGS with
cet_save_CFLAGS and cet_save_LDFLAGS.
gcc/
PR bootstrap/95413
* configure: Regenerated.
libatomic/
PR bootstrap/95413
* configure: Regenerated.
libbacktrace/
PR bootstrap/95413
* configure: Regenerated.
libcc1/
PR bootstrap/95413
* configure: Regenerated.
libcpp/
PR bootstrap/95413
* configure: Regenerated.
libdecnumber/
PR bootstrap/95413
* configure: Regenerated.
libgcc/
PR bootstrap/95413
* configure: Regenerated.
libgfortran/
PR bootstrap/95413
* configure: Regenerated.
libgomp/
PR bootstrap/95413
* configure: Regenerated.
libiberty/
PR bootstrap/95413
* configure: Regenerated.
libitm/
PR bootstrap/95413
* configure: Regenerated.
libobjc/
PR bootstrap/95413
* configure: Regenerated.
libphobos/
PR bootstrap/95413
* configure: Regenerated.
libquadmath/
PR bootstrap/95413
* configure: Regenerated.
libsanitizer/
PR bootstrap/95413
* configure: Regenerated.
libssp/
PR bootstrap/95413
* configure: Regenerated.
libstdc++-v3/
PR bootstrap/95413
* configure: Regenerated.
libvtv/
PR bootstrap/95413
* configure: Regenerated.
lto-plugin/
PR bootstrap/95413
* configure: Regenerated.
zlib/
PR bootstrap/95413
* configure: Regenerated.
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Adds support for demangling D functions annotated with the new
ownership/borrowing system attribute.
libiberty/ChangeLog:
* d-demangle.c (dlang_attributes): Add @live attribute.
* testsuite/d-demangle-expected: Add new tests.
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Some small improvements and clarifications have been done in the D ABI
specification to remove all ambiguities found in the current grammar,
this implementation now more closely resembles the spec, whilst
maintaining compatibility with the old ABI.
Three new rules have been added to the ABI.
1. Back references using 'Q', analogous to C++ substitutions, compresses
repeated identifiers, types, and template symbol and value parameters.
2. Template aliases to externally mangled symbols are prefixed with 'X'.
This includes any symbol that isn't extern(D), or has its name
overriden with pragma(mangle). This fixes an ambiguity where it was
not clear whether 'V' was an encoded calling convention, or the next
template value parameter.
3. Alias parameters, templates, and tuple symbols no longer encode the
symbol length of its subpart. Tuples are now terminated with 'Z'.
This fixes another ambiguity where the first character of the mangled
name can be a digit as well, so the demangler had to figure out where
to split the two adjacent numbers by trying out each combination.
libiberty/ChangeLog:
* 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.
Co-Authored-By: Rainer Schuetze <r.sagitario@gmx.de>
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Don't perform CET run-time check for host when cross compiling. Instead,
enable CET in cross compiler if possible so that it will run on both CET
and non-CET hosts.
config/
PR bootstrap/94998
* cet.m4 (GCC_CET_HOST_FLAGS): Enable CET in cross compiler if
possible.
libiberty/
PR bootstrap/94998
* configure: Regenerated.
lto-plugin/
PR bootstrap/94998
* configure: Regenerated.
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GCC_CET_HOST_FLAGS uses -Wl,-z,ibt,-z,shstk to check if Linux/x86 host
has Intel CET enabled by introducing an Intel CET violation on purpose.
To avoid false positive, check whether -Wl,-z,ibt,-z,shstk works first.
-fcf-protection=none is added to avoid false negative when -fcf-protection
is enabled by default.
config/
PR bootstrap/94739
* cet.m4 (GCC_CET_HOST_FLAGS): Add -fcf-protection=none to
-Wl,-z,ibt,-z,shstk. Check whether -fcf-protection=none
-Wl,-z,ibt,-z,shstk works first.
libiberty/
PR bootstrap/94739
* configure: Regenerated.
lto-plugin/
PR bootstrap/94739
* configure: Regenerated.
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The demangler didn't handle spaceship operator.
2020-04-27 Jakub Jelinek <jakub@redhat.com>
PR demangler/94797
* cp-demangle.c (cplus_demangle_operators): Add ss <=> operator.
* testsuite/demangle-expected: Add operator<=> test.
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Since ld is Intel CET enabled on Intel CET enabled host, dlopen fails on
liblto_plugin.so if it isn't Intel CET enabled. Add GCC_CET_HOST_FLAGS
to cet.m4, use it in libiberty and lto-plugin to always enable Intel
CET in liblto_plugin.so on Intel CET enabled host.
On Linux/x86 host, enable Intel CET by default if assembler and compiler
support Intel CET so that the generated liblto_plugin.so can be used on
both CET and non-CET machines. It is an error to disable Intel CET in
liblto_plugin.so on Intel CET enabled host.
config/
PR bootstrap/94739
* cet.m4 (GCC_CET_HOST_FLAGS): New.
libiberty/
PR bootstrap/94739
* Makefile.in (COMPILE.c): Add @CET_HOST_FLAGS@.
(configure_deps): Add $(srcdir)/../config/cet.m4 and
$(srcdir)/../config/enable.m4.
* aclocal.m4: Include ../config/cet.m4 and ../config/enable.m4.
* configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
AC_SUBST(CET_HOST_FLAGS).
* configure: Regenerated.
lto-plugin/
PR bootstrap/94739
* Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
* configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
AC_SUBST(CET_HOST_FLAGS).
* Makefile.in: Regenerated.
* aclocal.m4: Likewise.
* configure: Likewise.
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This patch is for .GCC.command.line sections in LTO objects to be copied
into the final objects as in the following example:
[egeyar@localhost lto]$ gcc -flto -O3 demo.c -c -g --record-gcc-command-line
[egeyar@localhost lto]$ gcc -flto -O2 demo2.c -c -g --record-gcc-command-line -DFORTIFY=2
[egeyar@localhost lto]$ gcc demo.o demo2.o -o a.out
[egeyar@localhost lto]$ readelf -p .GCC.command.line a.out
String dump of section '.GCC.command.line':
[ 0] 10.0.1 20200227 (experimental) : gcc -flto -O3 demo.c -c -g --record-gcc-command-line
[ 56] 10.0.1 20200227 (experimental) : gcc -flto -O2 demo2.c -c -g --record-gcc-command-line -DFORTIFY=2
2020-03-05 Egeyar Bagcioglu <egeyar.bagcioglu@oracle.com>
* simple-object.c (handle_lto_debug_sections): Name
".GCC.command.line" among debug sections to be copied over
from lto objects.
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* testsuite/demangle-expected: Update expected demangling of
enable_if pattern.
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When generating the separate file with LTO debug sections, we should
also copy .note.gnu.property section.
PR lto/93966
* simple-object.c (handle_lto_debug_sections): Also copy
.note.gnu.property section.
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On bare-metal targets, I/O support is typically provided by a BSP and
requires a linker script and/or hosting library to be specified on the
linker command line. Linking an empty program with the default linker
script may succeed, however, which confuses libstdc++ configuration
when programs that probe for the presence of various I/O features fail
with link errors.
2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
PR libstdc++/79193
PR libstdc++/88999
config/
* no-executables.m4: Use a non-empty program to test for linker
support.
libgcc/
* configure: Regenerated.
libgfortran/
* configure: Regenerated.
libiberty/
* configure: Regenerated.
libitm/
* configure: Regenerated.
libobjc/
* configure: Regenerated.
libquadmath/
* configure: Regenerated.
libssp/
* configure: Regenerated.
libstdc++v-3/
* configure: Regenerated.
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Makes some parameters const in libiberty's hashtab library.
include/ChangeLog:
* hashtab.h (htab_remove_elt): Make a parameter const.
(htab_remove_elt_with_hash): Likewise.
libiberty/ChangeLog:
* hashtab.c (htab_remove_elt): Make a parameter const.
(htab_remove_elt_with_hash): Likewise.
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writeargv writes out empty arguments in a way that expandargv skips
them instead of preserving them. Fixed by writing out a pair of
quotes for them.
for libiberty/ChangeLog
* argv.c (writeargv): Output empty args as "".
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C++20 coroutines introduces a new operator with a mangling of 'aw'.
This patch adds that to libiberty's demangler.
libiberty/ChangeLog:
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
* cp-demangle.c (cplus_demangle_operators): Add the co_await
operator.
* testsuite/demangle-expected: Test co_await operator mangling.
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From-SVN: r279813
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* make-relative-prefix.c (split_directories):
Return early on empty 'name'
From-SVN: r279068
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* cp-demangle.c (d_print_init): Remove const from 4th param.
(cplus_demangle_fill_name): Initialize d->d_counting.
(cplus_demangle_fill_extended_operator): Likewise.
(cplus_demangle_fill_ctor): Likewise.
(cplus_demangle_fill_dtor): Likewise.
(d_make_empty): Likewise.
(d_count_templates_scopes): Remobe const from 3rd param,
Return on dc->d_counting > 1,
Increment dc->d_counting.
* cp-demint.c (cplus_demangle_fill_component): Initialize d->d_counting.
(cplus_demangle_fill_builtin_type): Likewise.
(cplus_demangle_fill_operator): Likewise.
* demangle.h (struct demangle_component): Add member
d_counting.
From-SVN: r278359
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* demangle.h (rust_demangle_callback): Add.
* cplus-dem.c (cplus_demangle): Use rust_demangle directly.
(rust_demangle): Remove.
* rust-demangle.c (is_prefixed_hash): Rename to is_legacy_prefixed_hash.
(parse_lower_hex_nibble): Rename to decode_lower_hex_nibble.
(parse_legacy_escape): Rename to decode_legacy_escape.
(rust_is_mangled): Remove.
(struct rust_demangler): Add.
(peek): Add.
(next): Add.
(struct rust_mangled_ident): Add.
(parse_ident): Add.
(rust_demangle_sym): Remove.
(print_str): Add.
(PRINT): Add.
(print_ident): Add.
(rust_demangle_callback): Add.
(struct str_buf): Add.
(str_buf_reserve): Add.
(str_buf_append): Add.
(str_buf_demangle_callback): Add.
(rust_demangle): Add.
* rust-demangle.h: Remove.
From-SVN: r278358
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From-SVN: r278357
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2019-11-04 Kamlesh Kumar <kamleshbhalui@gmail.com>
gcc/cp
* cp/mangle.c (write_template_arg_literal): Handle nullptr
mangling.
gcc
* common.opt (-fabi-version): Document =14.
* doc/invoke.texi (C++ Dialect Options): Likewise.
gcc/c-family
* c-opts.c (c_common_post_options): Update
latest_abi_version.
libiberty
* cp-demangle.c (d_expr_primary): Handle
nullptr demangling.
* testsuite/demangle-expected: Added test.
From-SVN: r277801
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2019-10-29 Paul Pluzhnikov <ppluzhnikov@google.com>
* cp-demangle.c (d_number): Avoid signed int overflow.
From-SVN: r277575
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`imaginary`, as opposed to after.
* cp-demangle.c (d_print_mod): Add a space before printing `complex`
and `imaginary`, as opposed to after.
* testsuite/demangle-expected: Adjust test.
From-SVN: r277535
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* rust-demangle.c (looks_like_rust): Remove.
(rust_is_mangled): Don't check escapes.
(is_prefixed_hash): Allow 0-9a-f permutations.
(rust_demangle_sym): Don't bail on unknown escapes.
* testsuite/rust-demangle-expected: Update 'main::$99$' test.
From-SVN: r276539
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* rust-demangle.c (unescape): Remove.
(parse_lower_hex_nibble): New function.
(parse_legacy_escape): New function.
(is_prefixed_hash): Use parse_lower_hex_nibble.
(looks_like_rust): Use parse_legacy_escape.
(rust_demangle_sym): Use parse_legacy_escape.
* testsuite/rust-demangle-expected: Add 'llv$u6d$' test.
From-SVN: r275353
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2019-08-27 Martin Liska <mliska@suse.cz>
PR lto/91478
* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
First find a WEAK HIDDEN symbol in symbol table that will be
preserved. Later, use the symbol name for all removed symbols.
From-SVN: r274955
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2019-08-12 Martin Liska <mliska@suse.cz>
* Makefile.in: Add filedescriptor.c.
* filedescriptor.c: New file.
* lrealpath.c (is_valid_fd): Remove.
From-SVN: r274273
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2019-08-08 Martin Liska <mliska@suse.cz>
PR bootstrap/91352
* gcc.c (driver::detect_jobserver): Use is_valid_fd.
* lto-wrapper.c (jobserver_active_p): Likewise.
2019-08-08 Martin Liska <mliska@suse.cz>
PR bootstrap/91352
* libiberty.h (is_valid_fd): New function.
2019-08-08 Martin Liska <mliska@suse.cz>
PR bootstrap/91352
* lrealpath.c (is_valid_fd): New function.
From-SVN: r274208
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2019-07-24 Martin Liska <mliska@suse.cz>
PR lto/91228
* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
Find first '\0' starting from gnu_lto + 1.
From-SVN: r273757
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From-SVN: r273718
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2019-07-22 Martin Liska <mliska@suse.cz>
* config/avr/avr.c (avr_asm_output_aligned_decl_common): Update
comment.
* toplev.c (compile_file): Do not emit __gnu_lto_v1 symbol.
2019-07-22 Martin Liska <mliska@suse.cz>
* config/pa/stublib.c: Remove stub symbol __gnu_lto_v1.
* config/pa/t-stublib: Likewise.
2019-07-22 Martin Liska <mliska@suse.cz>
* simple-object-elf.c (simple_object_elf_copy_lto_debug_sections):
Do not search for gnu_lto_v1, but search for first '\0'.
From-SVN: r273662
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include/
* demangle.h (rust_is_mangled): Move to libiberty/rust-demangle.h.
(rust_demangle_sym): Move to libiberty/rust-demangle.h.
libiberty/
* cplus-dem.c: Include rust-demangle.h.
* rust-demangle.c: Include rust-demangle.h.
* rust-demangle.h: New file.
From-SVN: r273573
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* cp-demangle.c: Don't define CP_DYNAMIC_ARRAYS if __STDC_NO_VLA__
is non-zero.
From-SVN: r271819
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* d-demangle.c (dlang_parse_assocarray): Correctly handle error result.
* testsuite/d-demangle-expected: Add testcase.
From-SVN: r270700
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* d-demangle.c (dlang_parse_tuple): Correctly handle error result.
* testsuite/d-demangle-expected: Add testcase.
From-SVN: r270699
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* d-demangle.c (dlang_parse_structlit): Correctly handle error result.
* testsuite/d-demangle-expected: Add testcase.
From-SVN: r270698
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* d-demangle.c (dlang_parse_arrayliteral): Correctly handle error result.
* testsuite/d-demangle-expected: Add testcase.
From-SVN: r270697
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* d-demangle.c (dlang_parse_integer): Fix stack underflow.
* testsuite/d-demangle-expected: Add testcase.
From-SVN: r270696
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* cp-demangle (d_print_comp_inner): Guard against a NULL 'typed_name'.
* testsuite/demangle-expected: Add testcase.
From-SVN: r270695
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* cp-demangle.c (d_encoding): Guard against NULL return values from
d_right (dc).
* testsuite/demangle-expected: Add testcase.
From-SVN: r270694
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valid.
* cp-demangle.c (d_expression_1): Don't peek ahead unless the current
char is valid.
* testsuite/demangle-expected: Add testcase.
From-SVN: r270664
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pathalogically constructed mangled name.
PR 89394
* cp-demangle.c (cplus_demangle_fill_name): Reject negative
lengths.
(d_count_templates_scopes): Replace num_templates and num_scopes
parameters with a struct d_print_info pointer parameter. Adjust
body of the function accordingly. Add recursion counter and check
that the recursion limit is not reached.
(d_print_init): Pass dpi parameter to d_count_templates_scopes.
Reset recursion counter afterwards, unless the recursion limit was
reached.
From-SVN: r270258
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This patch just picks up changes made in r231983 (git 2afaef0360)
and r268793 (git 0f7c25df5f).
* functions.texi: Regenerate.
From-SVN: r270189
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is_empty (*slot).
* hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
than if is_empty (*slot).
* hash-set-tests.c (test_set_of_strings): Add tests for addition of
existing elt and for elt removal.
* hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
of already removed elt.
* hashtab.c (htab_remove_elt_with_hash): Return if slot is NULL rather
than if *slot is HTAB_EMPTY_ENTRY.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r269695
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When a node is removed from a splay tree, the splay tree was
not using the function splay_tree_delete_key_fn to release the key.
This was causing a leak, fixed by Tom Tromey.
This patch fixes another key leak, that happens when a key equal to
a key already present is inserted. In such a case, we have to release
the old KEY.
Note that this is based on the assumption that the caller always
allocates a new KEY when doing an insert.
Also, clarify the documentation about when the release functions are
called.
2019-02-11 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* splay-tree.h (splay_tree_delete_key_fn): Update comment.
(splay_tree_delete_value_fn): Likewise.
libiberty/ChangeLog
2019-02-11 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* splay-tree.c (splay_tree_insert): Also release old KEY in case
of insertion of a key equal to an already present key.
(splay_tree_new_typed_alloc): Update comment.
From-SVN: r268793
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status: file not recognized: file truncated)
2019-01-22 Nidal Faour <nidal.faour@wdc.com>
PR lto/88422
* simple-object.c (O_BINARY): Define if not already defined.
(simple_object_copy_lto_debug_sections): Create file in binary
mode.
From-SVN: r268141
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Philippe Waroquiers noticed a memory leak in gdb, which he tracked
down to a bug in splay-tree. splay_tree_remove does not call the
`delete_key' function when it removes the old node; but it should.
I looked at every splay tree in GCC and there is only one that passes
a non-NULL delete function -- the one in lto.c. That file does not
call splay_tree_remove. So, I think this is safe to check in.
I re-ran the LTO tests to double check.
libiberty/
* splay-tree.c (splay_tree_remove): Delete the key if necessary.
From-SVN: r268116
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gcc/cp/
* cvt.c (type_promotes_to): Handle char8_t promotion.
* decl.c (grokdeclarator): Handle invalid type specifier
combinations involving char8_t.
* lex.c (init_reswords): Add char8_t as a reserved word.
* mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
* parser.c (cp_keyword_starts_decl_specifier_p)
(cp_parser_simple_type_specifier): Recognize char8_t as a simple
type specifier.
(cp_parser_string_literal): Use char8_array_type_node for the type
of CPP_UTF8STRING.
(cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
headers.
* rtti.c (emit_support_tinfos): type_info support for char8_t.
* tree.c (char_type_p): Recognize char8_t as a character type.
* typeck.c (string_conv_p): Handle conversions of u8 string
literals of char8_t type.
(check_literal_operator_args): Handle UDLs with u8 string literals
of char8_t type.
* typeck2.c (ordinary_char_type_p): New.
(digest_init_r): Disallow initializing a char array with a u8 string
literal.
gcc/c-family/
* c-common.c (c_common_reswords): Add char8_t.
(fix_string_type): Use char8_t for the type of u8 string literals.
(c_common_get_alias_set): char8_t doesn't alias.
(c_common_nodes_and_builtins): Define char8_t as a builtin type in
C++.
(c_stddef_cpp_builtins): Add __CHAR8_TYPE__.
(keyword_begins_type_specifier): Add RID_CHAR8.
* c-common.h (rid): Add RID_CHAR8.
(c_tree_index): Add CTI_CHAR8_TYPE and CTI_CHAR8_ARRAY_TYPE.
Define D_CXX_CHAR8_T and D_CXX_CHAR8_T_FLAGS.
Define char8_type_node and char8_array_type_node.
* c-cppbuiltin.c (cpp_atomic_builtins): Predefine
__GCC_ATOMIC_CHAR8_T_LOCK_FREE.
(c_cpp_builtins): Predefine __cpp_char8_t.
* c-lex.c (lex_string): Use char8_array_type_node as the type of
CPP_UTF8STRING.
(lex_charconst): Use char8_type_node as the type of CPP_UTF8CHAR.
* c-opts.c: If not otherwise specified, enable -fchar8_t when
targeting C++2a.
* c.opt: Add the -fchar8_t command line option.
libiberty/
* cp-demangle.c (cplus_demangle_builtin_types)
(cplus_demangle_type): Add name demangling for char8_t (Du).
* cp-demangle.h: Increase D_BUILTIN_TYPE_COUNT to accommodate the
new char8_t type.
From-SVN: r267923
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2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
PR other/16615 [2/5]
include/
* libiberty.h: Mechanically replace "can not" with "cannot".
* plugin-api.h: Likewise.
libiberty/
* cp-demangle.c: Mechanically replace "can not" with "cannot".
* floatformat.c: Likewise.
* strerror.c: Likewise.
From-SVN: r267784
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From-SVN: r267494
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