js/src/jit-test/tests/warp/bug1681677.js


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var a = [1];
var p = {__proto__: Array.prototype};
Object.setPrototypeOf(a, p);
for (var i = 0; i < 100; ++i) {
  var x = a.slice(0);
  assertEq(x.__proto__, Array.prototype);
}