I'll have to ask the guy who did the JRuby C-ext RSoC project, he came across that issue.

On Aug 16, 2011, at 19:38 , Eric Wong wrote:

> "Haase, Konstantin" <Konstantin.Haase / student.hpi.uni-potsdam.de> wrote:
>> Currently, there are a lot of C extensions modifying frozen strings
> 
> Examples?  I don't think I've come across any, but somebody should fix
> those.
> 
> -- 
> Eric Wong
>