r267845 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Fri Jan 11 14:54:49 2019
New Revision: 267845

URL: https://gcc.gnu.org/viewcvs?rev=267845&root=gcc&view=rev
Log:
PR libstdc++/88802 define std::hash<nullptr_t> for C++17

	PR libstdc++/88802
	* include/bits/functional_hash.h (hash<nullptr_t>): Define
	specialization for C++17 (P0513R0, LWG 2817).
	* testsuite/20_util/hash/nullptr.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/20_util/hash/nullptr.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/functional_hash.h