--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp0x/pr82725.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,16 @@
+// { dg-do compile { target { { i?86-*-* x86_64-*-* } && c++11 } } }
+// { dg-require-effective-target pie }
+// { dg-options "-O2 -fpie -mtls-direct-seg-refs" }
+
+struct string
+{
+  __SIZE_TYPE__ length;
+  const char *ptr;
+};
+
+string
+tempDir ()
+{
+  thread_local string cache;
+  return cache;
+}