diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -3277,9 +3277,9 @@
       !(isTargetIPhoneOS() && isIPhoneOSVersionLT(5, 0)))
     Res |= SanitizerKind::Vptr;
 
-  if ((IsX86_64 || IsAArch64) && (isTargetMacOSBased() ||
-    isTargetIOSSimulator() || isTargetTvOSSimulator() ||
-    isTargetWatchOSSimulator()) {
+  if ((IsX86_64 || IsAArch64) &&
+      (isTargetMacOSBased() || isTargetIOSSimulator() ||
+       isTargetTvOSSimulator() || isTargetWatchOSSimulator())) {
     Res |= SanitizerKind::Thread;
   }
   return Res;