re PR c++/40389 (optimizer bug (possibly))

2009-06-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40389
	* tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
	to addressable types.
	* gimple.c (walk_stmt_load_store_addr_ops): Likewise.

From-SVN: r148597

gcc/ChangeLog

 2009-06-17  Richard Guenther  <rguenther@suse.de>
 
+	PR tree-optimization/40389
+	* tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
+	to addressable types.
+	* gimple.c (walk_stmt_load_store_addr_ops): Likewise.
+
+2009-06-17  Richard Guenther  <rguenther@suse.de>
+
 	PR middle-end/40460
 	* tree-chrec.h (build_polynomial_chrec): If we cannot determine
 	if there is no evolution of left in the loop bail out.

gcc/gimple.c

@@ -3267,7 +3267,7 @@ walk_stmt_load_store_addr_ops (gimple stmt, void *data,
       if (visit_addr
 	  && gimple_call_return_slot_opt_p (stmt)
 	  && gimple_call_lhs (stmt) != NULL_TREE
-	  && TREE_ADDRESSABLE (gimple_call_lhs (stmt)))
+	  && TREE_ADDRESSABLE (TREE_TYPE (gimple_call_lhs (stmt))))
 	ret |= visit_addr (stmt, gimple_call_lhs (stmt), data);
     }
   else if (gimple_code (stmt) == GIMPLE_ASM)

gcc/tree-ssa-structalias.c

@@ -3362,7 +3362,7 @@ handle_rhs_call (gimple stmt, VEC(ce_s, heap) **results)
   /* And if we applied NRV the address of the return slot escapes as well.  */
   if (gimple_call_return_slot_opt_p (stmt)
       && gimple_call_lhs (stmt) != NULL_TREE
-      && TREE_ADDRESSABLE (gimple_call_lhs (stmt)))
+      && TREE_ADDRESSABLE (TREE_TYPE (gimple_call_lhs (stmt))))
     {
       VEC(ce_s, heap) *tmpc = NULL;
       struct constraint_expr lhsc, *c;