Status: New
Owner: ----
New issue 1981 by [email protected]: RegExp.prototype.toString does not
throw TypeError if called with incompatible 'this' Object
http://code.google.com/p/v8/issues/detail?id=1981
V8 version 3.9.13 [console: readline]
d8> RegExp.prototype.toString.call(2)
/(?:)/
ES5.1, 15.10.6:
[...]
In the following descriptions of functions that are properties of the
RegExp prototype object, the phrase "this RegExp object" refers to the
object that is the this value for the invocation of the function; a
TypeError exception is thrown if the this value is not an object or an
object for which the value of the [[Class]] internal property is
not "RegExp".
And 15.10.6.4 RegExp.prototype.toString()
Return the String value formed by concatenating the Strings "/", the
String value of the source property of this RegExp object [...]
15.10.6.4 + 15.10.6 make clear that a TypeError should be thrown. Other
functions on RegExp.prototype are not affected, that means they throw a
TypeError.
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