diff --git a/llvm/lib/Demangle/ItaniumDemangle.cpp b/llvm/lib/Demangle/ItaniumDemangle.cpp
index 213a46b65e39..f454ae61d965 100644
--- a/llvm/lib/Demangle/ItaniumDemangle.cpp
+++ b/llvm/lib/Demangle/ItaniumDemangle.cpp
@@ -1947,7 +1947,7 @@ static const char *parse_type(const char *first, const char *last, C &db) {
               break;
             }
           }
-          LLVM_FALLTHROUGH;
+        // falls through
         default:
           // must check for builtin-types before class-enum-types to avoid
           // ambiguities with operator-names