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Jonathan Wakely 3a4cc6281b libstdc++: Implement spaceship for std::array (P1614R2) 
As done for std::pair, this defines operator<=> as a non-member function
template and does not alter operator==, as expected to be proposed as
the resolution to an unpublished LWG issue.

Instead of calling std::lexicographical_compare_three_way the <=>
overload is implemented by hand to take advantage of the fact the
element types and array sizes are known to be the same.

	* include/bits/cpp_type_traits.h (__is_byte<char8_t>): Add
	specialization.
	* include/std/array (operator<=>): Likewise.
	* testsuite/23_containers/array/comparison_operators/constexpr.cc:
	Test three-way comparisons and arrays of unsigned char.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
	dg-error line numbers.

From-SVN: r278981
2019-12-05 00:42:06 +00:00
..
config baseline_symbols.txt: Update. 2019-10-26 20:12:20 +00:00
doc Switch gcc ftp URL's to https 2019-11-20 22:24:48 +02:00
include libstdc++: Implement spaceship for std::array (P1614R2) 2019-12-05 00:42:06 +00:00
libsupc++ libstdc++: Implement spaceship for std::pair (P1614R2) 2019-12-03 23:57:46 +00:00
po PR libstdc++/89466 avoid slow xsltproc command in configure 2019-02-27 11:25:44 +00:00
python libstdc++:: improve how pretty printers find node types (PR 91997) 2019-11-29 14:47:03 +00:00
scripts Implement <concepts> header for C++20 2019-10-11 16:53:52 +01:00
src libstdc++: Implement LWG 3070 in path::lexically_relative 2019-11-15 19:58:15 +00:00
testsuite libstdc++: Implement spaceship for std::array (P1614R2) 2019-12-05 00:42:06 +00:00
acinclude.m4 libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
aclocal.m4 Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
ChangeLog libstdc++: Implement spaceship for std::array (P1614R2) 2019-12-05 00:42:06 +00:00
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ChangeLog-2018 Update copyright years. 2019-01-01 13:31:55 +01:00
config.h.in libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
configure libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
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 Remove Cell Broadband Engine SPU targets 2019-09-03 15:08:28 +00:00
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. 2019-01-01 13:31:55 +01:00
Makefile.in PR libstdc++/89466 avoid slow xsltproc command in configure 2019-02-27 11:25:44 +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.