[Bug tree-optimization/63189] [4.8 Regression] Incorrect results from trivial loop when optimized with O3 or O2+tree vectorization

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63189

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Sep  8 20:18:02 2014
New Revision: 215026

URL: https://gcc.gnu.org/viewcvs?rev=215026&root=gcc&view=rev
Log:
    PR tree-optimization/60196
    PR tree-optimization/63189
    * gcc.dg/vect/pr63189.c: New test.
    * gcc.dg/vect/pr60196-1.c: New test.
    * gcc.dg/vect/pr60196-2.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr60196-1.c
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr60196-2.c
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr63189.c
Modified:
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog