diff options
Diffstat (limited to 'deps/v8/test/mjsunit/es9/regress/regress-866357.js')
-rw-r--r-- | deps/v8/test/mjsunit/es9/regress/regress-866357.js | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es9/regress/regress-866357.js b/deps/v8/test/mjsunit/es9/regress/regress-866357.js new file mode 100644 index 00000000000..3b6230b0f4a --- /dev/null +++ b/deps/v8/test/mjsunit/es9/regress/regress-866357.js @@ -0,0 +1,17 @@ +// 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 + +// Check that we do appropriate used/unused field accounting +var p = Promise.resolve(); +var then = p.then = () => {}; + +function spread() { return { ...p }; } + +assertEquals({ then }, spread()); +assertEquals({ then }, spread()); +assertEquals({ then }, spread()); +%OptimizeFunctionOnNextCall(spread); +assertEquals({ then }, spread()); |