tree-ssa-dom.c (dom_opt_finalize_block): Do not call thread_across_edge for any abnormal edges.

	* tree-ssa-dom.c (dom_opt_finalize_block): Do not call
	thread_across_edge for any abnormal edges.

	* gcc.c-torture/compile/20050510-1.c: New test.

From-SVN: r99536

gcc/ChangeLog

+2005-05-10  Jeff Law  <law@redhat.com>
+
+	* tree-ssa-dom.c (dom_opt_finalize_block): Do not call
+	thread_across_edge for any abnormal edges.
+
 2005-05-10  Richard Henderson  <rth@redhat.com>
 
 	* config/ia64/ia64.c (ia64_expand_atomic_op): New.

gcc/testsuite/ChangeLog

+2005-05-10  Diego Novillo  <dnovillo@redhat.com>
+
+	* gcc.c-torture/compile/20050510-1.c: New test.
+
 2005-05-10  Mark Mitchell  <mark@codesourcery.com>
 
 	* gcc.dg/arm-vfp1.c: Remove test for fnegs.

gcc/testsuite/gcc.c-torture/compile/20050510-1.c

+void bar (int k)
+{
+  void *label = (k) ? &&x : &&y;
+  if (k)
+    goto *label;
+
+x:
+  if (k)
+    dont_remove ();
+y:
+  return;
+}

gcc/tree-ssa-dom.c

@@ -986,18 +986,6 @@ dom_opt_finalize_block (struct dom_walk_data *walk_data, basic_block bb)
       thread_across_edge (walk_data, single_succ_edge (bb));
     }
   else if ((last = last_stmt (bb))
-	   && TREE_CODE (last) == GOTO_EXPR
-	   && TREE_CODE (TREE_OPERAND (last, 0)) == SSA_NAME)
-    {
-      edge_iterator ei;
-      edge e;
-
-      FOR_EACH_EDGE (e, ei, bb->succs)
-	{
-	  thread_across_edge (walk_data, e);
-	}
-    }
-  else if ((last = last_stmt (bb))
 	   && TREE_CODE (last) == COND_EXPR
 	   && (COMPARISON_CLASS_P (COND_EXPR_COND (last))
 	       || TREE_CODE (COND_EXPR_COND (last)) == SSA_NAME)