diff --git a/include/clang/AST/DeclObjC.h b/include/clang/AST/DeclObjC.h
index b9cb11d..cf1ec1b 100644
--- a/include/clang/AST/DeclObjC.h
+++ b/include/clang/AST/DeclObjC.h
@@ -1798,6 +1798,8 @@
   virtual void anchor();
   /// Implementation Class's super class.
   ObjCInterfaceDecl *SuperClass;
+  SourceLocation SuperLoc;
+
   /// \@implementation may have private ivars.
   SourceLocation IvarLBraceLoc;
   SourceLocation IvarRBraceLoc;
@@ -1818,10 +1820,11 @@
                          ObjCInterfaceDecl *classInterface,
                          ObjCInterfaceDecl *superDecl,
                          SourceLocation nameLoc, SourceLocation atStartLoc,
+                         SourceLocation superLoc = SourceLocation(),
                          SourceLocation IvarLBraceLoc=SourceLocation(), 
                          SourceLocation IvarRBraceLoc=SourceLocation())
     : ObjCImplDecl(ObjCImplementation, DC, classInterface, nameLoc, atStartLoc),
-       SuperClass(superDecl), IvarLBraceLoc(IvarLBraceLoc), 
+       SuperClass(superDecl), SuperLoc(superLoc), IvarLBraceLoc(IvarLBraceLoc),
        IvarRBraceLoc(IvarRBraceLoc),
        IvarInitializers(0), NumIvarInitializers(0),
        HasNonZeroConstructors(false), HasDestructors(false) {}
@@ -1831,6 +1834,7 @@
                                         ObjCInterfaceDecl *superDecl,
                                         SourceLocation nameLoc,
                                         SourceLocation atStartLoc,
+                                     SourceLocation superLoc = SourceLocation(),
                                         SourceLocation IvarLBraceLoc=SourceLocation(), 
                                         SourceLocation IvarRBraceLoc=SourceLocation());
 
@@ -1903,6 +1907,7 @@
 
   const ObjCInterfaceDecl *getSuperClass() const { return SuperClass; }
   ObjCInterfaceDecl *getSuperClass() { return SuperClass; }
+  SourceLocation getSuperLoc() const { return SuperLoc; }
 
   void setSuperClass(ObjCInterfaceDecl * superCls) { SuperClass = superCls; }
 
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 20b905c..04768d2 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -3650,6 +3650,7 @@
                                           Iface, Super,
                                           Importer.Import(D->getLocation()),
                                           Importer.Import(D->getAtStartLoc()),
+                                          Importer.Import(D->getSuperLoc()),
                                           Importer.Import(D->getIvarLBraceLoc()),
                                           Importer.Import(D->getIvarRBraceLoc()));
     
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index ad09afe..b441f7f 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -1648,12 +1648,13 @@
                                ObjCInterfaceDecl *SuperDecl,
                                SourceLocation nameLoc,
                                SourceLocation atStartLoc,
+                               SourceLocation superLoc,
                                SourceLocation IvarLBraceLoc,
                                SourceLocation IvarRBraceLoc) {
   if (ClassInterface && ClassInterface->hasDefinition())
     ClassInterface = ClassInterface->getDefinition();
   return new (C) ObjCImplementationDecl(DC, ClassInterface, SuperDecl,
-                                        nameLoc, atStartLoc,
+                                        nameLoc, atStartLoc, superLoc,
                                         IvarLBraceLoc, IvarRBraceLoc);
 }
 
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 41f9683..f33e7bc 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1045,7 +1045,7 @@
 
   ObjCImplementationDecl* IMPDecl =
     ObjCImplementationDecl::Create(Context, CurContext, IDecl, SDecl,
-                                   ClassLoc, AtClassImplLoc);
+                                   ClassLoc, AtClassImplLoc, SuperClassLoc);
 
   if (CheckObjCDeclScope(IMPDecl))
     return ActOnObjCContainerStartDefinition(IMPDecl);
diff --git a/lib/Serialization/ASTReaderDecl.cpp b/lib/Serialization/ASTReaderDecl.cpp
index 949f593..5f4c67b 100644
--- a/lib/Serialization/ASTReaderDecl.cpp
+++ b/lib/Serialization/ASTReaderDecl.cpp
@@ -849,6 +849,7 @@
 void ASTDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
   VisitObjCImplDecl(D);
   D->setSuperClass(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx));
+  D->SuperLoc = ReadSourceLocation(Record, Idx);
   D->setIvarLBraceLoc(ReadSourceLocation(Record, Idx));
   D->setIvarRBraceLoc(ReadSourceLocation(Record, Idx));
   D->setHasNonZeroConstructors(Record[Idx++]);
diff --git a/lib/Serialization/ASTWriterDecl.cpp b/lib/Serialization/ASTWriterDecl.cpp
index b7ca623..ef50cdb 100644
--- a/lib/Serialization/ASTWriterDecl.cpp
+++ b/lib/Serialization/ASTWriterDecl.cpp
@@ -613,6 +613,7 @@
 void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
   VisitObjCImplDecl(D);
   Writer.AddDeclRef(D->getSuperClass(), Record);
+  Writer.AddSourceLocation(D->getSuperLoc(), Record);
   Writer.AddSourceLocation(D->getIvarLBraceLoc(), Record);
   Writer.AddSourceLocation(D->getIvarRBraceLoc(), Record);
   Record.push_back(D->hasNonZeroConstructors());