[Interpreter] No need to read/return a value in GeneratorClose.

src/interpreter/interpreter-intrinsics-generator.cc

Index: src/interpreter/interpreter-intrinsics-generator.cc
diff --git a/src/interpreter/interpreter-intrinsics-generator.cc b/src/interpreter/interpreter-intrinsics-generator.cc
index e8572ba1d4fb39faa2e62acb7dc4a1ec1ab72790..1f2816d2dbbc29908543028a1b89297c7cc59cae 100644
--- a/src/interpreter/interpreter-intrinsics-generator.cc
+++ b/src/interpreter/interpreter-intrinsics-generator.cc
@@ -437,13 +437,10 @@ Node* IntrinsicsGenerator::GeneratorGetResumeMode(Node* args_reg,
 Node* IntrinsicsGenerator::GeneratorClose(Node* args_reg, Node* arg_count,
                                           Node* context) {
   Node* generator = __ LoadRegister(args_reg);
-  Node* const value =
-      __ LoadObjectField(generator, JSGeneratorObject::kResumeModeOffset);
   __ StoreObjectFieldNoWriteBarrier(
       generator, JSGeneratorObject::kContinuationOffset,
       __ SmiConstant(JSGeneratorObject::kGeneratorClosed));
-
-  return value;
+  return __ UndefinedConstant();
 }
 
 Node* IntrinsicsGenerator::AsyncGeneratorReject(Node* input, Node* arg_count,