r204357 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Nov  4 20:17:17 2013
New Revision: 204357

URL: http://gcc.gnu.org/viewcvs?rev=204357&root=gcc&view=rev
Log:
	PR tree-optimization/58978
	* tree-vrp.c (all_imm_uses_in_stmt_or_feed_cond): Don't modify
	use_stmt by single_imm_use directly.  Only call single_imm_use
	on SSA_NAMEs.

	* gcc.c-torture/compile/pr58978.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr58978.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c