t-export fails for 4.2.1

[Laurent Fousse]

* Torbjorn Granlund [Tue, Jun 13, 2006 at 12:12:32PM +0200]:
> Laurent Fousse <laurent at komite.net> writes:
> 
>   Yup. I expected someone on the list would have an idea and perhaps
>   provide a minimal test case for the compiler. I intend to do that
>   myself, but not before next week.
> 
> I hacked down the test case to the code below.  It should be fairly
> simple to provide a dummy mpz_export to make this self-contained.

Thanks for the testcase. Since I can't reproduce the problem with
20060610's snapshot, I'll leave it alone for now.