2 files changed, 9 insertions, 1 deletions
diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
index 96f21f11286..0ee0c90645b 100644
--- a/clang/lib/Frontend/PCHReader.cpp
+++ b/clang/lib/Frontend/PCHReader.cpp
@@ -1822,7 +1822,10 @@ QualType PCHReader::ReadTypeRecord(uint64_t Offset) {
     QualType UnderlyingType = GetType(Record[0]);
     return Context->getTypeOfType(UnderlyingType);
   }
-    
+   
+  case pch::TYPE_DECLTYPE:
+    return Context->getDecltypeType(ReadTypeExpr());
+
   case pch::TYPE_RECORD:
     assert(Record.size() == 1 && "incorrect encoding of record type");
     return Context->getTypeDeclType(cast<RecordDecl>(GetDecl(Record[0])));
diff --git a/clang/lib/Frontend/PCHWriter.cpp b/clang/lib/Frontend/PCHWriter.cpp
index 3b1eb080f22..d1f9b975e92 100644
--- a/clang/lib/Frontend/PCHWriter.cpp
+++ b/clang/lib/Frontend/PCHWriter.cpp
@@ -185,6 +185,11 @@ void PCHTypeWriter::VisitTypeOfType(const TypeOfType *T) {
   Code = pch::TYPE_TYPEOF;
 }
 
+void PCHTypeWriter::VisitDecltypeType(const DecltypeType *T) {
+  Writer.AddStmt(T->getUnderlyingExpr());
+  Code = pch::TYPE_DECLTYPE;
+}
+
 void PCHTypeWriter::VisitTagType(const TagType *T) {
   Writer.AddDeclRef(T->getDecl(), Record);
   assert(!T->isBeingDefined() &&