Introduce ObjCInterfaceLoc which provides type source information for ObjC interfaces.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReaderDecl.cpp b/lib/Frontend/PCHReaderDecl.cpp
index 550f4db..9b28e8b 100644
--- a/lib/Frontend/PCHReaderDecl.cpp
+++ b/lib/Frontend/PCHReaderDecl.cpp
@@ -179,6 +179,9 @@
 void TypeLocReader::VisitTypedefLoc(TypedefLoc TyLoc) {
   TyLoc.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
 }
+void TypeLocReader::VisitObjCInterfaceLoc(ObjCInterfaceLoc TyLoc) {
+  TyLoc.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+}
 void TypeLocReader::VisitObjCProtocolListLoc(ObjCProtocolListLoc TyLoc) {
   TyLoc.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
   TyLoc.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));