1 files changed, 1 insertions, 9 deletions
diff --git a/llvm/lib/Support/YAMLTraits.cpp b/llvm/lib/Support/YAMLTraits.cpp
index 51c016b1d55..9849b3aa1ce 100644
--- a/llvm/lib/Support/YAMLTraits.cpp
+++ b/llvm/lib/Support/YAMLTraits.cpp
@@ -175,7 +175,7 @@ void Input::endMapping() {
   if (!MN)
     return;
   for (const auto &NN : MN->Mapping) {
-    if (!MN->isValidKey(NN.first())) {
+    if (!is_contained(MN->ValidKeys, NN.first())) {
       setError(NN.second.get(), Twine("unknown key '") + NN.first() + "'");
       break;
     }
@@ -385,14 +385,6 @@ std::unique_ptr<Input::HNode> Input::createHNodes(Node *N) {
   }
 }
 
-bool Input::MapHNode::isValidKey(StringRef Key) {
-  for (std::string &K : ValidKeys) {
-    if (Key == K)
-      return true;
-  }
-  return false;
-}
-
 void Input::setError(const Twine &Message) {
   this->setError(CurrentNode, Message);
 }