r244588 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Wed Jan 18 18:36:45 2017
New Revision: 244588

URL: https://gcc.gnu.org/viewcvs?rev=244588&root=gcc&view=rev
Log:
PR69301 don't assume atomic<T> can default construct T

	PR libstdc++/69301
	* include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
	aligned buffer instead of default-initialized variable.
	* testsuite/29_atomics/atomic/69301.cc: New test.
	* include/experimental/memory (observer_ptr::release): Use reserved
	name.
	* include/ext/pointer.h (_Pointer_adapter::operator++(int))
	(_Pointer_adapter::operator--(int)): Likewise.

Added:
    trunk/libstdc++-v3/testsuite/29_atomics/atomic/69301.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/experimental/memory
    trunk/libstdc++-v3/include/ext/pointer.h
    trunk/libstdc++-v3/include/std/atomic