requested gcc-4.0/libjava patch

[Mark Mitchell]

Per Bothner wrote:
> I checked this into mainline.
> Tom Tromey says it should "definitely go in 4.0".
> It seems quite safe - it just adds a null-pointer check.
> 
> Here is the analysis of the bug;
> http://gcc.gnu.org/ml/java/2005-03/msg00141.html
> 
> Ok for the 4.0 branch?

Fine by me.

Thanks,

-- 
Mark Mitchell
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