1 files changed, 2 insertions, 1 deletions
diff --git a/clang/include/clang/AST/DeclObjC.h b/clang/include/clang/AST/DeclObjC.h
index c13e1baa56b..7a5a715eab6 100644
--- a/clang/include/clang/AST/DeclObjC.h
+++ b/clang/include/clang/AST/DeclObjC.h
@@ -589,7 +589,8 @@ class ObjCInterfaceDecl : public ObjCContainerDecl
   };
 
   ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id,
-                    SourceLocation CLoc, bool isInternal);
+                    SourceLocation CLoc, ObjCInterfaceDecl *PrevDecl,
+                    bool isInternal);
 
   void LoadExternalDefinition() const;