r238664 - in /trunk/gcc: c-family/ChangeLog c-f...

[msebor@gcc.gnu.org]

Author: msebor
Date: Fri Jul 22 18:32:08 2016
New Revision: 238664

URL: https://gcc.gnu.org/viewcvs?rev=238664&root=gcc&view=rev
Log:
PR c++/71675 - __atomic_compare_exchange_n returns wrong type for typed enum

gcc/c-family/ChangeLog:

	PR c++/71675
	* c-common.c (resolve_overloaded_builtin): Avoid converting
	__atomic_compare_exchange_n return type to that of what its
	first argument points to.

gcc/testsuite/ChangeLog:

	PR c++/71675
	* g++.dg/ext/atomic-3.C: New test.
	* gcc.dg/atomic/pr71675.c: New test.


Added:
    trunk/gcc/testsuite/g++.dg/ext/atomic-3.C
    trunk/gcc/testsuite/gcc.dg/atomic/pr71675.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/testsuite/ChangeLog