Make PromiseRejectCallback fire after end-of-turn.

src/runtime/runtime.cc

Index: src/runtime/runtime.cc
diff --git a/src/runtime/runtime.cc b/src/runtime/runtime.cc
index cf050d33698a576dd675108265687468f28d134f..768169f240bcc632a5d49c93c218183051b9a261 100644
--- a/src/runtime/runtime.cc
+++ b/src/runtime/runtime.cc
@@ -1759,39 +1759,33 @@ RUNTIME_FUNCTION(Runtime_ThrowUnsupportedSuperError) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_PromiseRejectEvent) {
-  DCHECK(args.length() == 3);
+RUNTIME_FUNCTION(Runtime_DebugPromiseRejectEvent) {
+  DCHECK(args.length() == 2);
   HandleScope scope(isolate);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
-  CONVERT_BOOLEAN_ARG_CHECKED(debug_event, 2);
-  if (debug_event) isolate->debug()->OnPromiseReject(promise, value);
-  Handle<Symbol> key = isolate->factory()->promise_has_handler_symbol();
-  // Do not report if we actually have a handler.
-  if (JSObject::GetDataProperty(promise, key)->IsUndefined()) {
-    isolate->ReportPromiseReject(promise, value,
-                                 v8::kPromiseRejectWithNoHandler);
-  }
+  isolate->debug()->OnPromiseReject(promise, value);
   return isolate->heap()->undefined_value();
 }
 
 
-RUNTIME_FUNCTION(Runtime_PromiseRevokeReject) {
-  DCHECK(args.length() == 1);
+RUNTIME_FUNCTION(Runtime_PromiseRejectMessage) {
+  DCHECK(args.length() == 2);
   HandleScope scope(isolate);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0);
-  Handle<Symbol> key = isolate->factory()->promise_has_handler_symbol();
-  // At this point, no revocation has been issued before
-  RUNTIME_ASSERT(JSObject::GetDataProperty(promise, key)->IsUndefined());
-  isolate->ReportPromiseReject(promise, Handle<Object>(),
-                               v8::kPromiseHandlerAddedAfterReject);
+  CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
+  isolate->ReportPromiseReject(promise, value, v8::kPromiseRejectWithNoHandler);
   return isolate->heap()->undefined_value();
 }
 
 
-RUNTIME_FUNCTION(Runtime_PromiseHasHandlerSymbol) {
-  DCHECK(args.length() == 0);
-  return isolate->heap()->promise_has_handler_symbol();
+RUNTIME_FUNCTION(Runtime_PromiseRevokeRejectMessage) {
+  DCHECK(args.length() == 1);
+  HandleScope scope(isolate);
+  CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0);
+  isolate->ReportPromiseReject(promise, Handle<Object>(),
+                               v8::kPromiseHandlerAddedAfterReject);
+  return isolate->heap()->undefined_value();
 }