r241778 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[ktkachov@gcc.gnu.org]

Author: ktkachov
Date: Wed Nov  2 09:25:22 2016
New Revision: 241778

URL: https://gcc.gnu.org/viewcvs?rev=241778&root=gcc&view=rev
Log:
PR tree-optimization/78162: Reject negative offsets in store merging early

	PR tree-optimization/78162
	* gimple-ssa-store-merging.c (execute): Mark stores with bitpos < 0
	as invalid.

	* gcc.c-torture/compile/pr78162.c: New test.


Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr78162.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-store-merging.c
    trunk/gcc/testsuite/ChangeLog