[turbofan] Optimize JSConvertReceiver if we know something about the receiver.

src/compiler/js-typed-lowering.h

Index: src/compiler/js-typed-lowering.h
diff --git a/src/compiler/js-typed-lowering.h b/src/compiler/js-typed-lowering.h
index d6ef947eb8efc56d0429df4e4e535b863540563e..676dbe7c3d22db6b5419c29fee70c6211d29d7ee 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -56,6 +56,7 @@ class JSTypedLowering final : public AdvancedReducer {
   Reduction ReduceJSToNumber(Node* node);
   Reduction ReduceJSToStringInput(Node* input);
   Reduction ReduceJSToString(Node* node);
+  Reduction ReduceJSConvertReceiver(Node* node);
   Reduction ReduceJSCreateArguments(Node* node);
   Reduction ReduceJSCreateClosure(Node* node);
   Reduction ReduceJSCreateLiteralArray(Node* node);