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gcc/libstdc++-v3
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Jonathan Wakely 47f7905440 Add new helper traits for signed/unsigned integer types 
Reuse the __is_one_of alias in additional places, and define traits to
check for signed/unsigned integer types so we don't have to duplicate
those checks elsewhere.

The additional overloads for std::byte in <bit> were reviewed by LEWG
and considered undesirable, so this patch removes them.

	* include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
	* include/std/bit (_If_is_unsigned_integer_type): Remove.
	(_If_is_unsigned_integer): Use __is_unsigned_integer.
	(rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
	(countl_one(byte), countr_zero(byte), countr_one(byte))
	(popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
	(log2p1(byte)): Remove.
	* include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
	(__detail::__is_int_to_chars_type): Remove.
	(__detail::__integer_to_chars_result_type): Use __is_signed_integer
	and __is_unsigned_integer.
	* include/std/type_traits (__is_one_of): Move here from <charconv>.
	(__is_signed_integer, __is_unsigned_integer): New helpers.
	* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
	std::byte overload.
	* testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
	* testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
	* testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
	* testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.

From-SVN: r272695
2019-06-26 15:38:23 +01:00
..
config PR libstdc++/85494 use rdseed and rand_s in std::random_device 2019-05-29 15:45:35 +01:00
doc Fix outdated reference to C++17 draft in the docs 2019-06-20 10:13:03 +01:00
include Add new helper traits for signed/unsigned integer types 2019-06-26 15:38:23 +01:00
libsupc++ PR libstdc++/90682 allow set_terminate(0) and set_unexpected(0) 2019-05-31 11:35:11 +01:00
po
python Have std::vector printer's iterator return bool for vector<bool> 2019-06-19 23:57:06 +01:00
scripts Remove Profile Mode, deprecated since GCC 7.1 2019-05-13 11:50:21 +01:00
src PR libstdc++/90281 Fix string conversions for filesystem::path 2019-06-17 15:19:04 +01:00
testsuite Add new helper traits for signed/unsigned integer types 2019-06-26 15:38:23 +01:00
acinclude.m4 Skip libstdc++ debug build in early bootstrap stages 2019-06-20 15:17:57 +01:00
aclocal.m4
ChangeLog Add new helper traits for signed/unsigned integer types 2019-06-26 15:38:23 +01:00
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config.h.in PR libstdc++/85494 use rdseed and rand_s in std::random_device 2019-05-29 15:45:35 +01:00
configure Skip libstdc++ debug build in early bootstrap stages 2019-06-20 15:17:57 +01:00
configure.ac PR libstdc++/85494 use rdseed and rand_s in std::random_device 2019-05-29 15:45:35 +01:00
configure.host Remove obsolete Solaris 10 support 2019-05-14 17:17:23 +00:00
crossconfig.m4
fragment.am
linkage.m4
Makefile.am
Makefile.in
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.