r237755 - in /trunk/gcc: cp/ChangeLog cp/call.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Jun 24 11:04:29 2016
New Revision: 237755

URL: https://gcc.gnu.org/viewcvs?rev=237755&root=gcc&view=rev
Log:
	* call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
	(build_over_call): For magic == 3, do no conversion only on 3rd
	argument.

	* c-c++-common/torture/builtin-arith-overflow-p-19.c: Run for C++ too.
	* g++.dg/ext/builtin-arith-overflow-2.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/builtin-arith-overflow-2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/torture/builtin-arith-overflow-p-19.c