1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index f5f96ecd24..ef8c52f4be 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -412,6 +412,7 @@ void TypeLocWriter::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
 void TypeLocWriter::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
   Writer.AddSourceLocation(TL.getLParenLoc(), Record);
   Writer.AddSourceLocation(TL.getRParenLoc(), Record);
+  Record.push_back(TL.getTrailingReturn());
   for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
     Writer.AddDeclRef(TL.getArg(i), Record);
 }