v8/test/mjsunit/regress/regress-20070207.js

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// The following regression test illustrates a problem in using the
// value of setting a property in the arguments object.

function f(s) {
  arguments.length;
  return (s += 10) < 0;
}

assertTrue(f(-100));
assertTrue(f(-20));
assertFalse(f(-10));
assertFalse(f(-5));
assertFalse(f(0));
assertFalse(f(10));