[Bug rtl-optimization/49710] [4.7 Regression] segfault

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49710

--- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-01-05 19:25:19 UTC ---
Author: hubicka
Date: Thu Jan  5 19:25:14 2012
New Revision: 182919

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182919
Log:
    PR middle-end/49710
    * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
    unlooping loops.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr49710.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgloopmanip.c
    trunk/gcc/testsuite/ChangeLog