test/mjsunit/regress/regress-1980.js

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// See: http://code.google.com/p/v8/issues/detail?id=1980

var invalid_this = [ "invalid", 23, undefined, null ];
for (var i = 0; i < invalid_this.length; i++) {
  var exception = false;
  try {
    Error.prototype.toString.call(invalid_this[i]);
  } catch (e) {
    exception = true;
    assertEquals("Error.prototype.toString called on non-object", e.message);
  }
  assertTrue(exception);
}