Comment #2 on issue 2822 by [email protected]: Messages generated from
custom error events stringify as "[object Object]".
http://code.google.com/p/v8/issues/detail?id=2822
In a nutshell, it's fairly common for folks to fake inheritance via
`Subclass.prototype = new Superclass();`. Handlebars does this, and it's
been recommended by people who probably now know better:
http://www.nczonline.net/blog/2009/03/10/the-art-of-throwing-javascript-errors-part-2/
for example.
V8 supports `subclass.prototype = Object.create(superclass.prototype);`
perfectly, as well as the similar mechanism that Closure uses
in 'goog.inherit'
(http://docs.closure-library.googlecode.com/git/closure_goog_base.js.source.html#line1466).
It falls down with this simpler sample, however.
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