[Bug tree-optimization/66101] [5 Regression] internal compiler error: in verify_loop_structure, at cfgloop.c:1662

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66101

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue May 12 13:28:33 2015
New Revision: 223065

URL: https://gcc.gnu.org/viewcvs?rev=223065&root=gcc&view=rev
Log:
2015-05-12  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/66101
        * tree-ssa-dce.c (remove_dead_stmt): Properly mark loops for
        fixup if we turn a loop exit edge to a fallthru edge.

        * gcc.dg/torture/pr66101.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66101.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-dce.c