From: Paul Brannan <pbrannan@...>
Date: 2008-04-23T22:50:09+09:00
Subject: Re: Performance on method dispatch for methods defined via define_method

On Wed, Apr 23, 2008 at 10:24:43PM +0900, Charles Oliver Nutter wrote:
> Not at the moment, and it's an entertaining way to break JRuby for fun 
> and profit. I could add in the check for eval being aliased, and display 
> a warning and deoptimize everything, but I currently do not because I've 
> been waiting to see if any libraries break. So far, nobody does this.

Maybe it should be vocal, even if you don't deoptimize:

  test.rb:42: warning: aliasing eval?  you evil, evil person.

If it's not vocal, one might not notice right away that something broke.

Paul