[Bug tree-optimization/48739] [4.5/4.6/4.7 Regression] ICE in check_loop_closed_ssa_use() with "-ftree-parallelize-loops=2 -fno-tree-dominator-opts"

["jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48739

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-20 07:51:12 UTC ---
Author: jakub
Date: Sat Aug 20 07:51:09 2011
New Revision: 177925

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177925
Log:
    PR tree-optimization/48739
    * tree-ssa.c: Include cfgloop.h.
    (execute_update_addresses_taken): When updating ssa, if in
    loop closed SSA form, call rewrite_into_loop_closed_ssa instead of
    update_ssa.
    * Makefile.in (tree-ssa.o): Depend on $(CFGLOOP_H).

    * gcc.dg/pr48739-1.c: New test.
    * gcc.dg/pr48739-2.c: New test.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr48739-1.c
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr48739-2.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/Makefile.in
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_6-branch/gcc/tree-ssa.c