Index: src/runtime/runtime-debug.cc |
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc |
index 11c20c3de87cbe29c06c294070c774a32d0cdd78..263d8727c755be8475b4041c4aada31165b5dca9 100644 |
--- a/src/runtime/runtime-debug.cc |
+++ b/src/runtime/runtime-debug.cc |
@@ -1969,5 +1969,13 @@ RUNTIME_FUNCTION(Runtime_DebugTogglePreciseCoverage) { |
return isolate->heap()->undefined_value(); |
} |
+RUNTIME_FUNCTION(Runtime_DebugMarkAsPromiseBuiltin) { |
+ HandleScope scope(isolate); |
+ DCHECK_EQ(1, args.length()); |
+ CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0); |
+ fun->shared()->set_is_promise_builtin(true); |
+ return isolate->heap()->undefined_value(); |
+} |
+ |
} // namespace internal |
} // namespace v8 |