From e61f4d51559d584df6f34a4f70387639269bdce8 Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Mon, 12 May 2014 10:40:33 +0000
Subject: [PATCH] [tsan] force tls_model='initial-exec' for tsan's
 cur_thread_placeholder so that we don't depend on the compiler flags

llvm-svn: 208536
---
 compiler-rt/lib/tsan/rtl/tsan_rtl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.h b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
index 418e2e3989f2..41db8aacdc5b 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
@@ -473,6 +473,7 @@ struct ThreadState {
 };
 
 #ifndef TSAN_GO
+__attribute__((tls_model("initial-exec")))
 extern THREADLOCAL char cur_thread_placeholder[];
 INLINE ThreadState *cur_thread() {
   return reinterpret_cast<ThreadState *>(&cur_thread_placeholder);