[turbofan] Inline ReturnReceiver builtin into TurboFan.

src/compiler/js-call-reducer.h

Index: src/compiler/js-call-reducer.h
diff --git a/src/compiler/js-call-reducer.h b/src/compiler/js-call-reducer.h
index 7f57ed78b5e4da980813adc7804617669da7bef6..ae36d209123ccd2a47cc1c30190cf517dcaeb4ea 100644
--- a/src/compiler/js-call-reducer.h
+++ b/src/compiler/js-call-reducer.h
@@ -56,6 +56,7 @@ class JSCallReducer final : public AdvancedReducer {
   Reduction ReduceJSConstructWithSpread(Node* node);
   Reduction ReduceJSCall(Node* node);
   Reduction ReduceJSCallWithSpread(Node* node);
+  Reduction ReduceReturnReceiver(Node* node);
 
   Graph* graph() const;
   JSGraph* jsgraph() const { return jsgraph_; }