------- Comment #5 from rguenth at gcc dot gnu dot org 2009-01-20 17:10 ------- Subject: Bug 38747
Author: rguenth Date: Tue Jan 20 17:10:40 2009 New Revision: 143523 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143523 Log: 2009-01-20 Andrew Pinski <andrew_pin...@playstation.sony.com> Richard Guenther <rguent...@suse.de> PR tree-optimization/38747 PR tree-optimization/38748 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE conversion if the base address is an indirect reference and the aliasing sets could cause issues. * gcc.dg/tree-ssa/struct-aliasing-1.c: New test. * gcc.dg/tree-ssa/struct-aliasing-2.c: Likewise. * gcc.c-torture/execute/struct-aliasing-1.c: Likewise. Added: trunk/gcc/testsuite/gcc.c-torture/execute/struct-aliasing-1.c trunk/gcc/testsuite/gcc.dg/tree-ssa/struct-aliasing-1.c trunk/gcc/testsuite/gcc.dg/tree-ssa/struct-aliasing-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-forwprop.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38747
