[Bug tree-optimization/54824] [4.8 Regression] ICE in verify_loop_structure

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54824

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-26 10:12:41 UTC ---
Author: rguenth
Date: Fri Oct 26 10:12:35 2012
New Revision: 192841

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192841
Log:
2012-10-26  Richard Biener  <rguenther@suse.de>

    PR middle-end/54824
    * tree-optimize.c (execute_fixup_cfg): Insert __builtin_unreachable
    at the end of blocks with no successors.

    * gcc.dg/torture/pr54824.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr54824.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-optimize.c