1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tls/opt-1.c b/gcc/testsuite/gcc.dg/tls/opt-1.c
new file mode 100644
index 000000000..f9399e04a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tls/opt-1.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fPIC" } */
+/* { dg-options "-O2 -fPIC -mtune=i686" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-require-effective-target tls } */
+/* { dg-require-effective-target fpic } */
+
+extern __thread int thr;
+
+static int x;
+
+static void
+bar (void)
+{
+  x = 1;
+}
+
+static void
+#ifdef __i386__
+__attribute__ ((regparm (3)))
+#endif
+foo (const char *x, void *y, int *z)
+{
+  bar ();
+}
+
+void
+test (const char *x, void *y)
+{
+  foo (x, y, &thr);
+}