r237628 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Jun 21 06:59:33 2016
New Revision: 237628

URL: https://gcc.gnu.org/viewcvs?rev=237628&root=gcc&view=rev
Log:
	PR tree-optimization/71588
	* tree-ssa-strlen.c (valid_builtin_call): New function.
	(adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
	it.

	* gcc.dg/pr71558.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr71558.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-strlen.c