[Bug tree-optimization/72824] [5 Regression] Signed floating point zero semantics broken at optimization level -O3 (tree-loop-distribute-patterns)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72824

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue May 30 07:13:36 2017
New Revision: 248597

URL: https://gcc.gnu.org/viewcvs?rev=248597&root=gcc&view=rev
Log:
        Backported from mainline
        2016-08-15  Martin Liska  <mli...@suse.cz>
                    Jakub Jelinek  <ja...@redhat.com>

        PR tree-optimization/72824
        * tree-loop-distribution.c (const_with_all_bytes_same)
        <case VECTOR_CST>: Fix a typo.

        * gcc.c-torture/execute/ieee/pr72824-2.c: New test.

Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824-2.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/testsuite/ChangeLog
    branches/gcc-5-branch/gcc/tree-loop-distribution.c