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// Don't crash↩
↩
function f(o, s) {↩
var k = s.substr(0, 1);↩
var c;↩
for (var i = 0; i < 10; ++i) {↩
c = k in o;↩
}↩
return c;↩
}↩
↩
assertEq(f({ a: 66 }, 'abc'), true);↩