2010-12-07 Richard Guenther <rguenther@suse.de>

	* tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
	virtual operands.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167530 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 36e8733..5074b3f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-12-07  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
+       virtual operands.
+
 2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>
 
        * c-parser.c (c_parser_typeof_specifier): Removed special

diff --git a/gcc/tree-ssa-math-opts.c b/gcc/tree-ssa-math-opts.c
index 435c014..e8f9037 100644 (file)
--- a/gcc/tree-ssa-math-opts.c
+++ b/gcc/tree-ssa-math-opts.c
@@ -1726,6 +1726,7 @@ execute_optimize_widening_mul (void)
                                                    gimple_call_arg (stmt, 0),
                                                    gimple_call_arg (stmt, 0)))
                          {
+                           unlink_stmt_vdef (stmt);
                            gsi_remove (&gsi, true);
                            release_defs (stmt);
                            if (gimple_purge_dead_eh_edges (bb))