1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tls/alias-1.c b/gcc/testsuite/gcc.dg/tls/alias-1.c
new file mode 100644
index 000000000..722ad2154
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tls/alias-1.c
@@ -0,0 +1,24 @@
+/* { dg-do link } */
+/* { dg-require-alias "" } */
+/* { dg-require-visibility "" } */
+/* { dg-require-effective-target tls_runtime } */
+/* Test that encode_section_info handles the change from externally
+   defined to locally defined (via hidden).   Extracted from glibc.  */
+
+struct __res_state {
+	char x[123];
+};
+
+extern __thread struct __res_state bar
+  __attribute__ ((tls_model ("initial-exec")));
+
+int main()
+{
+  bar.x[0] = 0;
+  return 0;
+}
+
+__thread struct __res_state foo;
+extern __thread struct __res_state bar
+  __attribute__ ((alias ("foo")))
+  __attribute__ ((visibility ("hidden")));