[backport gcc-4.8/trunk r186985 <mikpe@it.uu.se>]

gcc/testsuite/

2012-04-30  Greta Yorsh  <Greta.Yorsh@arm.com>

	* gcc.dg/pr52283.c: Add missing dg-warning and dg-options.

--- gcc-4.7.2/gcc/testsuite/gcc.dg/pr52283.c.~1~	2012-12-09 18:40:38.000000000 +0100
+++ gcc-4.7.2/gcc/testsuite/gcc.dg/pr52283.c	2012-12-09 18:46:14.000000000 +0100
@@ -1,6 +1,7 @@
 /* Test for case labels not integer constant expressions but folding
    to integer constants (used in Linux kernel).  */
 /* { dg-do compile } */
+/* { dg-options "-pedantic" } */
 
 extern unsigned int u;
 
@@ -9,7 +10,7 @@ b (int c)
 {
   switch (c)
     {
-    case (int) (2  | ((4 < 8) ? 8 : u)):
+    case (int) (2  | ((4 < 8) ? 8 : u)): /* { dg-warning "case label is not an integer constant expression" } */
       ;
     }
 }