[Bug tree-optimization/78413] [7 Regression] ICE in single_pred_edge, at basic-block.h:361

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78413

--- Comment #7 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Mon Nov 21 14:10:11 2016
New Revision: 242661

URL: https://gcc.gnu.org/viewcvs?rev=242661&root=gcc&view=rev
Log:
[gcc]

2016-11-21  Bill Schmidt  <wschm...@linux.vnet.ibm.com>

        PR tree-optimization/78413
        * tree-if-conv.c (versionable_outer_loop_p): Require that both
        inner and outer loop latches have single predecessors.

[gcc/testsuite]

2016-11-21  Bill Schmidt  <wschm...@linux.vnet.ibm.com>

        PR tree-optimization/78413
        * gcc.dg/tree-ssa/pr78413.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr78413.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c