test262/implementation-contributed/javascriptcore/stress/undefined-access-dictionary-then-proto-change.js
test262-automation e9a5a7f918 [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time) (#1620)
* [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time)
2018-07-03 15:59:58 -04:00

18 lines
296 B
JavaScript

function foo() {
var p = {};
var o = {};
o.__proto__ = p;
var result;
for (var i = 0; i < 100; ++i) {
result = o.f;
if (i == 50)
p.f = 42;
}
return result;
}
var result = foo();
if (result != 42)
throw "Error: bad result: " + result;