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23
24description(
25"Tests that the DFG checks that the toString method didn't become bad even if the StringObject already had a CheckStructure."
26);
27
28function foo() {
29    return String(this);
30}
31
32for (var i = 0; i < 100; ++i) {
33    if (i == 99)
34        String.prototype.toString = function() { return 42; }
35    shouldBe("foo.call(new String(\"foo\"))", i >= 99 ? "\"42\"" : "\"foo\"");
36}
37