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Jason Merrill bedf03a298 Implement P0840, language support for empty objects.
The [[no_unique_address]] attribute on a non-static data member
	enables the equivalent of the empty base optimization.

gcc/cp/
	* tree.c (handle_no_unique_addr_attribute): New.
	(cxx_attribute_table): Add [[no_unique_address]].
	* class.c (field_poverlapping_p): New.
	(layout_class_type): Check it.  Adjust DECL_SIZE of potentially
	overlapping fields.
	(layout_empty_base_or_field): Rename from layout_empty_base, handle
	FIELD_DECL as well.
	(build_base_field, record_subobject_offsets): Adjust.
c-family/
	* c-lex.c (c_common_has_attribute): Add no_unique_address.

From-SVN: r264813
2018-10-03 11:56:29 -04:00
config Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
contrib Add filter-rtags-warnings.py script. 2018-09-25 07:12:52 +00:00
fixincludes fixincludes: vxworks: remove unnecessary parentheses in ioctl wrapper macro 2018-09-03 13:26:45 +00:00
gcc Implement P0840, language support for empty objects. 2018-10-03 11:56:29 -04:00
gnattools
gotools Ignore chmod errors during mostlyclean-local, check-go-tool 2018-09-26 12:56:09 +00:00
include Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
INSTALL
intl libgnuintl.h (_INTL_MAY_RETURN_STRING_ARG, [...]): Backport changes from upstream gettext. 2018-09-18 22:08:49 -06:00
libada Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libatomic Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libbacktrace Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libcc1
libcpp Add range_idx param to range_label::get_text 2018-09-17 23:32:12 +00:00
libdecnumber Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libffi Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libgcc crtprec.c (set_precision): Use fnstcw instead of fstcw. 2018-09-26 17:25:15 +02:00
libgfortran * io/close.c [!HAVE_UNLINK_OPEN_FILE]: Include <string.h>. 2018-10-02 20:02:03 +00:00
libgo internal/bytealg: support systems that don't have memmem 2018-10-02 16:45:51 +00:00
libgomp [nvptx] Remove use of CUDA unified memory in libgomp 2018-09-18 08:41:54 -07:00
libhsail-rt
libiberty [libiberty] Use pipe inside pex_run 2018-10-01 18:46:51 +00:00
libitm
libobjc Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
liboffloadmic
libquadmath
libsanitizer Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libssp Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
libstdc++-v3 PR libstdc++/59439 optimize uses of classic ("C") std::locale 2018-10-03 12:27:40 +01:00
libvtv Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
lto-plugin Replace 8 spaces with a tabular in ChangeLog files. 2018-08-27 14:04:23 +00:00
maintainer-scripts
zlib
.dir-locals.el
.gitattributes
.gitignore
ABOUT-NLS
ChangeLog Add self to maintainers list. 2018-09-13 16:11:29 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in
config.guess
config.rpath
config.sub
configure
configure.ac
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.RUNTIME
depcomp
install-sh
libtool-ldflags
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS Add self to maintainers list. 2018-09-13 16:11:29 +00:00
Makefile.def
Makefile.in
Makefile.tpl
missing
mkdep
mkinstalldirs
move-if-change
README
symlink-tree
ylwrap

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