[Bug tree-optimization/46288] ICE: SIGSEGV in walk_gimple_op (gimple.c:2857) with -O -fno-tree-dce and __builtin_expect()

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46288

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-03 
16:58:57 UTC ---
Author: rguenth
Date: Wed Nov  3 16:58:50 2010
New Revision: 166258

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166258
Log:
2010-11-03  Richard Guenther  <rguent...@suse.de>

    PR middle-end/46288
    * predict.c (strip_predict_hints): Simply DCE builtin expect if
    the result is unused.

    * gcc.dg/pr46288.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr46288.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/predict.c
    trunk/gcc/testsuite/ChangeLog