[promises] Remove runtime call from fastpath in PromiseReject

src/bootstrapper.cc

 // Copyright 2014 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.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/ieee754.h"
 #include "src/code-stubs.h"
@@ skipping 1953 matching lines @@
       Handle<JSFunction> function =
           SimpleCreateFunction(isolate, factory->empty_string(),
                                Builtins::kPromiseHandleReject, 3, false);
       InstallWithIntrinsicDefaultProto(isolate, function,
                                        Context::PROMISE_HANDLE_REJECT_INDEX);
       // Set up catch prediction
       Handle<Code> promise_handle = isolate->builtins()->PromiseHandleReject();
       promise_handle->set_is_exception_caught(true);
     }
 
+    {  // Internal: InternalPromiseReject
+      Handle<JSFunction> function =
+          SimpleCreateFunction(isolate, factory->empty_string(),
+                               Builtins::kInternalPromiseReject, 3, true);
+      InstallWithIntrinsicDefaultProto(isolate, function,
+                                       Context::PROMISE_INTERNAL_REJECT_INDEX);
+    }
+
     {
       Handle<Code> code =
           handle(isolate->builtins()->builtin(Builtins::kPromiseResolveClosure),
                  isolate);
       Handle<SharedFunctionInfo> info =
           factory->NewSharedFunctionInfo(factory->empty_string(), code, false);
       info->set_internal_formal_parameter_count(1);
       info->set_length(1);
       native_context()->set_promise_resolve_shared_fun(*info);
 
@@ skipping 2778 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8