The testcase should have included dg-add-options tls. committed as obvious.
Index: tls-reload-1.c
===================================================================
--- tls-reload-1.c (revision 194830)
+++ tls-reload-1.c (working copy)
@@ -1,5 +1,6 @@
/* { dg-do run } */
/* { dg-require-effective-target tls_runtime } */
+/* { dg-add-options tls } */
#define ARRAY(X) X##_array
#define DECLARE(X) \
