* gcc.dg/debug/tls-1.c: New test.

From-SVN: r155286

gcc/testsuite/ChangeLog

+2009-12-16  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.dg/debug/tls-1.c: New test.
+
 2009-12-15  Jason Merrill  <jason@redhat.com>
 
 	PR c++/42358

gcc/testsuite/gcc.dg/debug/tls-1.c

+/* Test that optimized out __thread var doesn't have its location
+   referenced in debug info.  */
+/* { dg-do link } */
+/* { dg-options "-O2" } */
+/* { dg-require-effective-target tls } */
+
+static __thread int vara;
+
+int
+foo (int b)
+{
+  return vara + b;
+}
+
+int
+main (void)
+{
+  return foo (0);
+}