[Bug rtl-optimization/51069] [4.7 Regression] ICE in verify_loop_structure, at cfgloop.c:1559

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51069

--- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-01-01 
12:07:42 UTC ---
Author: hubicka
Date: Sun Jan  1 12:07:34 2012
New Revision: 182767

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182767
Log:
    PR rtl-optimization/51069
    * cfgloopmanip.c (remove_path): Removing path making irreducible
    region unconditional makes BB part of the region.
    * gcc.c-torture/compile/pr51069.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr51069.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgloopmanip.c
    trunk/gcc/testsuite/ChangeLog