ipa-pta-11.c: Make p and q referenced.

2010-05-09  Richard Guenther  <rguenther@suse.de>

	* gcc.dg/ipa/ipa-pta-11.c: Make p and q referenced.

From-SVN: r159199

gcc/testsuite/ChangeLog

+2010-05-09  Richard Guenther  <rguenther@suse.de>
+
+	* gcc.dg/ipa/ipa-pta-11.c: Make p and q referenced.
+
 2010-05-09  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/lto6.adb: Remove superfluous -gnat05 switch.

gcc/testsuite/gcc.dg/ipa/ipa-pta-11.c

@@ -21,6 +21,9 @@ int l;
 int *s = &l;
 /* { dg-final { scan-ipa-dump "s = { ESCAPED NONLOCAL l }" "pta" } } */
 
+/* Make p and q referenced so they do not get optimized out.  */
+int foo() { return &p < &q; }
+
 int main()
 {
   return 0;