r261596 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Jun 14 14:01:29 2018
New Revision: 261596

URL: https://gcc.gnu.org/viewcvs?rev=261596&root=gcc&view=rev
Log:
Define __cpp_lib_tuple_element_t in <tuple> not <utility>

	* include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
	macro from <utility> and change type to long.
	* include/std/utility (__cpp_lib_tuple_element_t): Remove.
	* testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
	macro.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/tuple
    trunk/libstdc++-v3/include/std/utility
    trunk/libstdc++-v3/testsuite/20_util/tuple/tuple_element_t.cc