attribs.c (decl_attributes): Also re-layout PARM_DECL and RESULT_DECL.

        * attribs.c (decl_attributes): Also re-layout PARM_DECL and
        RESULT_DECL.

From-SVN: r50027

gcc/ChangeLog

+2002-02-25  Jason Merrill  <jason@redhat.com>
+
+	* attribs.c (decl_attributes): Also re-layout PARM_DECL and
+	RESULT_DECL.
+
 2002-02-25  Alexandre Oliva  <aoliva@redhat.com>
 
 	* gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to

gcc/attribs.c

@@ -386,7 +386,9 @@ decl_attributes (node, attributes, flags)
 
       /* Layout the decl in case anything changed.  */
       if (spec->type_required && DECL_P (*node)
-	  && TREE_CODE (*node) == VAR_DECL)
+	  && (TREE_CODE (*node) == VAR_DECL
+	      || TREE_CODE (*node) == PARM_DECL
+	      || TREE_CODE (*node) == RESULT_DECL))
 	{
 	  /* Force a recalculation of mode and size.  */
 	  DECL_MODE (*node) = VOIDmode;

gcc/testsuite/g++.dg/ext/attrib3.C

 // Test that attributes work in a variety of situations.
-// { dg-options -Wunused }
+// { dg-options -O }
 // { dg-do run }
 
 #define attrib __attribute ((mode (QI)))
-#define attrib2 __attribute ((unused))
 
 attrib signed int a;		// attributes before type are broken
 static attrib unsigned int b;
 
-int foo(attrib2 int o)		// attribute arguments are broken
+int foo(attrib int o)		// attribute arguments are broken
 {
   return (sizeof (a) != 1
 	  || sizeof (b) != 1
+	  || sizeof (o) != 1
 	  || sizeof ((attrib signed int) b) != 1);
 }