[Bug tree-optimization/89253] [8/9 Regression] ICE in split_loop, at tree-ssa-loop-split.c:566

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89253

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb 12 09:29:39 2019
New Revision: 268790

URL: https://gcc.gnu.org/viewcvs?rev=268790&root=gcc&view=rev
Log:
2019-02-12  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/89253
        * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
        duplicate the loop.

        * gfortran.dg/pr89253.f: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr89253.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-split.c