[TSan][Clang][MIPS] Enabled thread option for MIPS64 platform

Reviewers: kcc, samsonov, petarj, eugenis

Differential Revision: http://reviews.llvm.org/D6147

llvm-svn: 230209
diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index d09378c..0488abc 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -128,7 +128,7 @@
   if (!(IsLinux && (IsX86_64 || IsMIPS64))) {
     Unsupported |= Memory | DataFlow;
   }
-  if (!((IsLinux || IsFreeBSD) && IsX86_64)) {
+  if (!((IsLinux || IsFreeBSD) && (IsX86_64 || IsMIPS64))) {
     Unsupported |= Thread;
   }
   if (!(IsLinux && (IsX86 || IsX86_64))) {