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3fd1c229ad
gcc/libstdc++-v3
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Jonathan Wakely 3fd1c229ad libstdc++: Implement LWG 3324 for [cmp.alg] function objects (LWG 3324) 
LWG 3324 changed the [cmp.alg] types to use std::compare_three_way
instead of the <=> operator, but we were still using the old
specification. In order to make the existing tests pass the N::X type
needs to be equality comparable, so that three_way_comparable is
satisfied and compare_three_way can be used.

As part of this change I noticed that the compare_three_way call
operator was unconditionally noexcept, which is incorrect.

	* libsupc++/compare (compare_three_way): Fix noexcept-specifier.
	(strong_order, weak_order, partial_order): Replace uses of <=> with
	compare_three_way function object (LWG 3324).
	* testsuite/18_support/comparisons/algorithms/partial_order.cc: Add
	equality operator so that X satisfies three_way_comparable.
	* testsuite/18_support/comparisons/algorithms/strong_order.cc:
	Likewise.
	* testsuite/18_support/comparisons/algorithms/weak_order.cc: Likewise.
2020-04-09 22:24:57 +01:00
..
config x32: Update baseline_symbols.txt 2020-03-01 06:13:28 -08:00
doc libstdc++: Refer to Git documentation 2020-04-05 23:56:53 +02:00
include libstdc++: Add comparison operators to std::unique_ptr 2020-04-09 21:10:32 +01:00
libsupc++ libstdc++: Implement LWG 3324 for [cmp.alg] function objects (LWG 3324) 2020-04-09 22:24:57 +01:00
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++: Handle type-changing path concatenations (PR 94063) 2020-03-09 23:22:57 +00:00
testsuite libstdc++: Implement LWG 3324 for [cmp.alg] function objects (LWG 3324) 2020-04-09 22:24:57 +01:00
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++: Implement LWG 3324 for [cmp.alg] function objects (LWG 3324) 2020-04-09 22:24:57 +01:00
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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.