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gcc/libstdc++-v3
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Jonathan Wakely 9e58988061 libstdc++: Define <=> for tuple, optional and variant 
Another piece of P1614R2.

	* include/std/optional (operator<=>(optional<T>, optional<U>))
	(operator<=>(optional<T>, nullopt), operator<=>(optional<T>, U)):
	Define for C++20.
	* include/std/tuple (__tuple_cmp): New helper function for <=>.
	(operator<=>(tuple<T...>, tuple<U>...)): Define for C++20.
	* include/std/variant (operator<=>(variant<T...>, variant<T...>))
	(operator<=>(monostate, monostate)): Define for C++20.
	* testsuite/20_util/optional/relops/three_way.cc: New test.
	* testsuite/20_util/tuple/comparison_operators/three_way.cc: New test.
	* testsuite/20_util/variant/89851.cc: Move to ...
	* testsuite/20_util/variant/relops/89851.cc: ... here.
	* testsuite/20_util/variant/90008.cc: Move to ...
	* testsuite/20_util/variant/relops/90008.cc: ... here.
	* testsuite/20_util/variant/relops/three_way.cc: New test.
2020-02-21 17:12:39 +00:00
..
config libstdc++: std::ctype fixes for recent versions of NetBSD 2020-01-16 16:30:12 +00:00
doc Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
include libstdc++: Define <=> for tuple, optional and variant 2020-02-21 17:12:39 +00:00
libsupc++ libstdc++: Remove std::type_info::operator!= for C++20 2020-02-20 11:30:19 +00:00
po Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
python libstdc++: Fix regression in libstdc++-prettyprinters/cxx20.cc 2020-02-17 13:20:57 +00:00
scripts Update copyright years. 2020-01-01 12:51:42 +01:00
src libstdc++ P1956R1 On the names of low-level bit manipulation functions 2020-02-17 17:09:18 +00:00
testsuite libstdc++: Define <=> for tuple, optional and variant 2020-02-21 17:12:39 +00:00
acinclude.m4 libstdc++: Replace glibc-specific check for clock_gettime (PR 93325) 2020-01-28 13:24:09 +00:00
aclocal.m4 Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
ChangeLog libstdc++: Define <=> for tuple, optional and variant 2020-02-21 17:12:39 +00:00
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ChangeLog-2018 Update copyright years. 2019-01-01 13:31:55 +01:00
ChangeLog-2019 libstdc++: Fix whitespace in ChangeLog-2019 2020-01-09 21:31:35 +00:00
config.h.in libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
configure Use a non-empty test program to test ability to link. 2020-02-12 13:22:07 -08:00
configure.ac libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
configure.host [ARM/FDPIC v6 24/24] [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in libstdc++ configure scripts 2019-09-10 10:13:20 +02:00
crossconfig.m4 reject macros in math decl check 2020-01-23 16:44:54 -03:00
fragment.am PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
linkage.m4
Makefile.am Update copyright years. 2020-01-01 12:51:42 +01:00
Makefile.in Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.