diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index 834e149..9aed178 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -1420,7 +1420,7 @@
       Results.AddResult(Result("mutable"));
       Results.AddResult(Result("virtual"));
     }    
-    // Fall through
+    LLVM_FALLTHROUGH;
 
   case Sema::PCC_ObjCInterface:
   case Sema::PCC_ObjCImplementation:
@@ -1638,7 +1638,7 @@
       AddObjCTopLevelResults(Results, true);
       
     AddTypedefResult(Results);
-    // Fall through
+    LLVM_FALLTHROUGH;
 
   case Sema::PCC_Class:
     if (SemaRef.getLangOpts().CPlusPlus) {
@@ -1688,7 +1688,7 @@
         Results.AddResult(Result(Builder.TakeString()));
       }
     }
-    // Fall through
+    LLVM_FALLTHROUGH;
 
   case Sema::PCC_Template:
   case Sema::PCC_MemberTemplate: