re PR tree-optimization/32328 (-fstrict-aliasing causes skipped code)

2007-08-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/32328
        * testsuite/gcc.dg/pr32328.c: New testcase.

From-SVN: r127736

gcc/testsuite/ChangeLog

+2007-08-23  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/32328
+	* testsuite/gcc.dg/pr32328.c: New testcase.
+
 2007-08-23  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 
 	* gcc.c-torture/execute/simd-4.x: Only run when stdint.h types are

gcc/testsuite/gcc.dg/pr32328.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+struct barstruct { char const* some_string; };
+
+void changethepointer(struct barstruct**);
+
+void baz()
+{
+        struct barstruct bar1;
+        struct barstruct* barptr = &bar1;
+        changethepointer(&barptr);
+        barptr->some_string = "Everything OK";
+}
+
+/* { dg-final { scan-tree-dump "Everything OK" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */