Index: benchmark/basic/tls_fetch_add.c
===================================================================
--- benchmark/basic/tls_fetch_add.c	(revision dc708c1dc0c7b4874d039f3d68916b585ed7a8da)
+++ benchmark/basic/tls_fetch_add.c	(revision b443db063ba041699280cd09c9cdb6cc92a7ed07)
@@ -7,5 +7,5 @@
 // thread_local Boolean. This means the entire protocol is just to "mov" instructions making it extremely cheap.
 
-_Thread_local volatile bool value;
+__thread volatile bool value;
 
 void __attribute__((noinline)) do_call() {