ssa-pta-fn-1.c: Fix invalid testcase.

2009-07-08  Richard Guenther  <rguenther@suse.de>

	* gcc.dg/torture/ssa-pta-fn-1.c: Fix invalid testcase.

From-SVN: r149367

gcc/testsuite/ChangeLog

-2008-07-08  Paul Thomas  <pault@gcc.gnu.org>
+2009-07-08  Richard Guenther  <rguenther@suse.de>
+
+	* gcc.dg/torture/ssa-pta-fn-1.c: Fix invalid testcase.
+
+2009-07-08  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/40591
 	* gfortran.dg/proc_ptr_21.f90: New test.

gcc/testsuite/gcc.dg/torture/ssa-pta-fn-1.c

@@ -4,12 +4,13 @@
 
 extern void abort (void);
 int *glob;
+volatile int dummy;
 
 int * __attribute__((noinline,const))
 foo_const(int *p) { return p; }
 
 int * __attribute__((noinline,pure))
-foo_pure(int *p) { return glob; }
+foo_pure(int *p) { dummy; return p; }
 
 int * __attribute__((noinline))
 foo_normal(int *p) { glob = p; return p; }