[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 #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jan 22 13:10:57 2018
New Revision: 256943

URL: https://gcc.gnu.org/viewcvs?rev=256943&root=gcc&view=rev
Log:
2018-01-22  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/83963
        * graphite-scop-detection.c (scop_detection::get_sese): Delay
        including the loop exit block.
        (scop_detection::merge_sese): Likewise.
        (scop_detection::add_scop): Do it here instead.

        * gcc.dg/graphite/pr83963.c: New testcase.

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