[Bug other/52754] [4.7/4.8 Regression] indirect indexing broken with -fpredictive-commoning

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52754

--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-30 13:41:31 UTC ---
Author: rguenth
Date: Fri Mar 30 13:41:24 2012
New Revision: 186012

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186012
Log:
2012-03-30  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/52754
    * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
    propagate arbitrary addresses into really plain dereferences.

    * gcc.target/i386/pr52754.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr52754.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c