At commit: eb3573ecd917eb1aadfb3b6bc0e13f3339ca8d14
The error message for
String.prototype.substring.call(undefined, 1, 3)
is
'TypeError: String.prototype.subString called on null or undefined.'
but should be
'TypeError: String.prototype.substring called on null or undefined.'
Comment 1 by jgruber@chromium.org
, Sep 26 2016