Add explicit keywords.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47382 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Annotation.cpp b/lib/Support/Annotation.cpp
index 9d5e545..3ecc42f 100644
--- a/lib/Support/Annotation.cpp
+++ b/lib/Support/Annotation.cpp
@@ -57,9 +57,9 @@
   IDMapType::iterator I = IDMap->find(Name);
   if (I == IDMap->end()) {
     (*IDMap)[Name] = IDCounter++;   // Add a new element
-    return IDCounter-1;
+    return AnnotationID(IDCounter-1);
   }
-  return I->second;
+  return AnnotationID(I->second);
 }
 
 // getID - Name -> ID + registration of a factory function for demand driven