Handle any undeclared parameters in a K&R-style function with a
special action, inside function prototype scope. This avoids confusion
when we try to inject these parameters into the scope of the function
body before the function itself has been added to the surrounding
scope. Fixes <rdar://problem/6097326>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 128ba88..40cfe8f 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -311,6 +311,7 @@
   void ActOnUninitializedDecl(DeclTy *dcl);
   virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group);
 
+  virtual void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D);
   virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, Declarator &D);
   virtual DeclTy *ActOnStartOfFunctionDef(Scope *S, DeclTy *D);
   virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D);