[Bug middle-end/80764] [8 Regression] ICE at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (internal compiler error: in verify_loop_structure, at cfgloop.c:1644)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80764

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri May 19 08:23:37 2017
New Revision: 248261

URL: https://gcc.gnu.org/viewcvs?rev=248261&root=gcc&view=rev
Log:
2017-05-19  Richard Biener  <rguent...@suse.de>

        PR middle-end/80764
        * cfgexpand.c (expand_gimple_cond): Fix loop fixup.

        * gcc.dg/torture/pr80764.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr80764.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/testsuite/ChangeLog