optimize.c (initialize_inlined_parameters): If the parameter is addressable...

	* optimize.c (initialize_inlined_parameters): If the parameter is
	addressable, we need to make a new VAR_DECL, even if the
	initializer is constant.

From-SVN: r33553

gcc/cp/ChangeLog

+2000-04-30  Mark Mitchell  <mark@codesourcery.com>
+
+	* optimize.c (initialize_inlined_parameters): If the parameter is
+	addressable, we need to make a new VAR_DECL, even if the
+	initializer is constant.
+
 2000-04-28  Cosmin Truta  <cosmint@cs.ubbcluj.ro>
 
 	* decl.c (grok_op_properties): Add an extra check of argtypes.

gcc/cp/optimize.c

@@ -392,7 +392,9 @@ initialize_inlined_parameters (id, args, fn)
       /* If the parameter is never assigned to, we may not need to
 	 create a new variable here at all.  Instead, we may be able
 	 to just use the argument value.  */
-      if (TREE_READONLY (p) && !TREE_SIDE_EFFECTS (value))
+      if (TREE_READONLY (p) 
+	  && !TREE_ADDRESSABLE (p)
+	  && !TREE_SIDE_EFFECTS (value))
 	{
 	  /* Simplify the value, if possible.  */
 	  value = fold (decl_constant_value (value));