r239121 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Aug  4 12:33:10 2016
New Revision: 239121

URL: https://gcc.gnu.org/viewcvs?rev=239121&root=gcc&view=rev
Log:
Define std::enable_shared_from_this::weak_from_this

	* testsuite/20_util/enable_shared_from_this/members/reinit.cc: Use
	effective target not dg-options. Move check for feature-test macro to:
	* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
	New test.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/shared_ptr.h
    trunk/libstdc++-v3/include/bits/shared_ptr_base.h
    trunk/libstdc++-v3/testsuite/20_util/enable_shared_from_this/members/reinit.cc