[ignition] Optimize JSGenerator creation

src/interpreter/interpreter-intrinsics.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INTERPRETER_INTERPRETER_INTRINSICS_H_
 #define V8_INTERPRETER_INTERPRETER_INTRINSICS_H_
 
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 // List of supported intrisics, with upper case name, lower case name and
 // expected number of arguments (-1 denoting argument count is variable).
 #define INTRINSICS_LIST(V)                                           \
   V(AsyncGeneratorGetAwaitInputOrDebugPos,                           \
     async_generator_get_await_input_or_debug_pos, 1)                 \
   V(AsyncGeneratorReject, async_generator_reject, 2)                 \
   V(AsyncGeneratorResolve, async_generator_resolve, 3)               \
+  V(CreateJSGeneratorObject, create_js_generator_object, 2)          \
   V(Call, call, -1)                                                  \
   V(ClassOf, class_of, 1)                                            \
   V(CreateIterResultObject, create_iter_result_object, 2)            \
   V(CreateAsyncFromSyncIterator, create_async_from_sync_iterator, 1) \
   V(HasProperty, has_property, 2)                                    \
   V(IsArray, is_array, 1)                                            \
   V(IsJSProxy, is_js_proxy, 1)                                       \
   V(IsJSReceiver, is_js_receiver, 1)                                 \
   V(IsSmi, is_smi, 1)                                                \
   V(IsTypedArray, is_typed_array, 1)                                 \
@@ skipping 20 matching lines @@
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(IntrinsicsHelper);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif