[Bug tree-optimization/83963] [8 Regression] [graphite] ICE in merge_sese, at graphite-scop-detection.c:517

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83963

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 23 08:00:20 2018
New Revision: 256973

URL: https://gcc.gnu.org/viewcvs?rev=256973&root=gcc&view=rev
Log:
2018-01-23  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/83963
        * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
        Properly terminate dominator walk when crossing the exit edge not
        when visiting its source block.

        * gfortran.dg/graphite/pr83963.f: New testcase.
        * gcc.dg/graphite/pr83963-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr83963-2.c
    trunk/gcc/testsuite/gfortran.dg/graphite/pr83963.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-scop-detection.c
    trunk/gcc/testsuite/ChangeLog