1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
index 41041c78db9..6e17f0fe83d 100644
--- a/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
@@ -511,7 +511,7 @@ static ConstantInt *createOrdering(IRBuilder<> *IRB, AtomicOrdering ord) {
   switch (ord) {
     case AtomicOrdering::NotAtomic:
       llvm_unreachable("unexpected atomic ordering!");
-    case AtomicOrdering::Unordered:              // Fall-through.
+    case AtomicOrdering::Unordered:              LLVM_FALLTHROUGH;
     case AtomicOrdering::Monotonic:              v = 0; break;
     // Not specified yet:
     // case AtomicOrdering::Consume:                v = 1; break;