2 files changed, 2 insertions, 1 deletions
diff --git a/lib/Frontend/PCHReaderDecl.cpp b/lib/Frontend/PCHReaderDecl.cpp
index 27349ecbfe..356bd0726e 100644
--- a/lib/Frontend/PCHReaderDecl.cpp
+++ b/lib/Frontend/PCHReaderDecl.cpp
@@ -586,6 +586,7 @@ Attr *PCHReader::ReadAttributes() {
 
     SIMPLE_ATTR(WarnUnusedResult);
     SIMPLE_ATTR(Weak);
+    SIMPLE_ATTR(WeakRef);
     SIMPLE_ATTR(WeakImport);
     }
 
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index f40facb9f4..93af754683 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -1916,6 +1916,7 @@ void PCHWriter::WriteAttributeRecord(const Attr *Attr) {
 
     case Attr::WarnUnusedResult:
     case Attr::Weak:
+    case Attr::WeakRef:
     case Attr::WeakImport:
       break;
     }
@@ -2335,4 +2336,3 @@ void PCHWriter::AddDeclarationName(DeclarationName Name, RecordData &Record) {
     break;
   }
 }
-