Add a test for PR middle-end/53249

	PR middle-end/53249
	* gcc.target/i386/pr53249.c: New.

From-SVN: r187331

gcc/testsuite/ChangeLog

+2012-05-09  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR middle-end/53249
+	* gcc.target/i386/pr53249.c: New.
+
 2012-05-09  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/18437

gcc/testsuite/gcc.target/i386/pr53249.c

+/* { dg-do compile { target { ! { ia32 } } } } */
+/* { dg-options "-O2 -mx32 -ftls-model=initial-exec -maddress-mode=short" } */
+
+struct gomp_task
+{
+  struct gomp_task *parent;
+};
+
+struct gomp_thread
+{
+  int foo1;
+  struct gomp_task *task;
+};
+
+extern __thread struct gomp_thread gomp_tls_data;
+
+void
+__attribute__ ((noinline))
+gomp_end_task (void)
+{
+  struct gomp_thread *thr = &gomp_tls_data;
+  struct gomp_task *task = thr->task;
+
+  thr->task = task->parent;
+}