2.1.143 [ECMA-262-1999] Section 15.11.4, Properties of the Error Prototype Object

V0215:

The Error prototype object is itself an Error object (its [[Class]] is #"Error"# __"Object"__).

In JScript 5.x the [[Class]] of the Error prototype object is "Object".

The value of the internal [[Prototype]] property of the Error prototype object is the Object prototype object ([ECMA-262-1999] section 15.2.3.1).