[llvm] r187937 - Unbreak Mac build.

[Peter Collingbourne]

Author: pcc
Date: Wed Aug  7 18:29:46 2013
New Revision: 187937

URL: http://llvm.org/viewvc/llvm-project?rev=187937&view=rev
Log:
Unbreak Mac build.

Modified:
    llvm/trunk/include/llvm/Transforms/Instrumentation.h

Modified: llvm/trunk/include/llvm/Transforms/Instrumentation.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/Instrumentation.h?rev=187937&r1=187936&r2=187937&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/Instrumentation.h (original)
+++ llvm/trunk/include/llvm/Transforms/Instrumentation.h Wed Aug  7 18:29:46 2013
@@ -16,7 +16,7 @@
 
 #include "llvm/ADT/StringRef.h"
 
-#ifdef __GNUC__
+#if defined(__GNUC__) && defined(__linux__)
 inline void *getDFSanArgTLSPtrForJIT() {
   extern __thread __attribute__((tls_model("initial-exec")))
     void *__dfsan_arg_tls;