const2.C (main): Examine p to prevent an optimising linker from discarding it.

	* g++.old-deja/g++.pt/const2.C (main): Examine p to prevent an
	optimising linker from discarding it.

From-SVN: r117039

gcc/testsuite/ChangeLog

+2006-09-19  Ben Elliston  <bje@au.ibm.com>
+
+	* g++.old-deja/g++.pt/const2.C (main): Examine p to prevent an
+	optimising linker from discarding it.
+
 2006-09-18 Paul Thomas <pault@gcc.gnu.org>
 
 	PR fortran/28526

gcc/testsuite/g++.old-deja/g++.pt/const2.C

@@ -6,4 +6,8 @@ template <class T> struct B { static const int i = 3; };
 template <class T> struct A { static const int i = B<T>::i; };
 const int *p = &A<int>::i;
 
-int main(){}
+int main ()
+{
+  // Examine p to prevent optimising linkers from discarding it.
+  return (p != 0);
+}