v8/test/mjsunit/harmony/regress/regress-772649.js
Caitlin Potter 9f0bdf044f [esnext] fix MaterializeCapturedObjectAt for async generator objects
Previously, JS_ASYNC_GENERATOR_OBJECT_TYPE maps led to an UNREACHABLE
macro, but are now restored like ordinary JSGeneratorObjects.

BUG=chromium:772649, v8:5855
R=adamk@chromium.org, yangguo@chromium.org, verwaest@chromium.org

Change-Id: I02e101565625f8a057d0e5b242a5fe0df263df89
Reviewed-on: https://chromium-review.googlesource.com/706780
Commit-Queue: Caitlin Potter <caitp@igalia.com>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48423}
2017-10-10 11:18:10 +00:00

12 lines
425 B
JavaScript

// Copyright 2017 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.
// Flags: --allow-natives-syntax --harmony-async-iteration
async function* gen([[notIterable]] = [null]) {}
assertThrows(() => gen(), TypeError);
assertThrows(() => gen(), TypeError);
%OptimizeFunctionOnNextCall(gen);
assertThrows(() => gen(), TypeError);