[Bug middle-end/52881] [4.8 Regression] ICE due to null pointer deref in cfgloop.c

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52881

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-11 08:13:45 UTC ---
Author: rguenth
Date: Wed Apr 11 08:13:37 2012
New Revision: 186304

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186304
Log:
2012-04-11  Richard Guenther  <rguenther@suse.de>

    PR rtl-optimization/52881
    * ifcvt.c (find_if_case_2): Avoid speculating loop latches.

    * gcc.dg/torture/pr52881.c: New testcase.
    * gcc.dg/torture/pr52913.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr52881.c
    trunk/gcc/testsuite/gcc.dg/torture/pr52913.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ifcvt.c
    trunk/gcc/testsuite/ChangeLog