[Bug tree-optimization/80304] [7 Regression] Wrong result with do concurrent

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80304

--- Comment #24 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Apr 10 11:27:05 2017
New Revision: 246803

URL: https://gcc.gnu.org/viewcvs?rev=246803&root=gcc&view=rev
Log:
2017-04-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80304
        * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
        for safelen.

        * gcc.dg/torture/pr80304.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr80304.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-im.c