> gcc -c -v -Wall eigen.ii -lm
>gcc version 2.7.2
> /usr/libexec/cc1plus eigen.ii -quiet -Wall -version -o /var/tmp/cc000131.s
>GNU C++ version 2.7.2 (ARM/NetBSD) compiled by GNU C version 2.7.2.
>eigen.cc: In method `void RU_list::add_list(class RU &)':
>eigen.cc:144: warning: unused variable `class RU_link * ptr'
>eigen.cc: In function `int main(int, char **)':
>eigen.cc:370: warning: unused variable `int z'
>eigen.cc:292: warning: unused variable `double clat'
>eigen.cc:786: Internal compiler error.
>eigen.cc:786: Please submit a full bug report to `bug-g++@prep.ai.mit.edu'.

Just tested with on several different platforms.
It looks like it is another bug in the arm backend.

I'll pass it on to the GCC/arm maintainer.

Cheers,
				Mark

-- 
Mark Brinicombe				amb@physig.ph.kcl.ac.uk
Research Associate			http://www.ph.kcl.ac.uk/~amb/
Department of Physics			tel: 0171 873 2894
King's College London			fax: 0171 873 2716