diff options
Diffstat (limited to 'deps/v8/test')
-rw-r--r-- | deps/v8/test/mjsunit/regress/regress-crbug-881247.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-881247.js b/deps/v8/test/mjsunit/regress/regress-crbug-881247.js new file mode 100644 index 0000000000..4605c3f51b --- /dev/null +++ b/deps/v8/test/mjsunit/regress/regress-crbug-881247.js @@ -0,0 +1,24 @@ +// Copyright 2018 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 + +const resolvedPromise = Promise.resolve(); + +function spread() { + const result = { ...resolvedPromise }; + %HeapObjectVerify(result); + return result; +} + +resolvedPromise[undefined] = {a:1}; +%HeapObjectVerify(resolvedPromise); + +spread(); + +resolvedPromise[undefined] = undefined; +%HeapObjectVerify(resolvedPromise); + +spread(); +%HeapObjectVerify(resolvedPromise); |