[Bug tree-optimization/48975] [4.6/4.7 Regression] ICE in execute_cse_reciprocals() with -fno-tree-slp-vectorize

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48975

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-12 
17:46:21 UTC ---
Author: jakub
Date: Thu May 12 17:46:15 2011
New Revision: 173710

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173710
Log:
    PR tree-optimization/48975
    * tree-if-conv.c (combine_blocks): Call free_bb_predicate
    on all bbs here and free and clear ifc_bbs at the end.

    * gcc.dg/pr48975.c: New test.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr48975.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_6-branch/gcc/tree-if-conv.c