Segfaults on NetBSD-5.99.01/amd64:

#0  0x00007f7ffcc1808c in XS_SDL_SurfaceW ()
   from /usr/pkg/lib/perl5/vendor_perl/5.10.0/x86_64-netbsd-thread-multi/auto/SDL_perl/SDL_perl.so
(gdb) bt
#0  0x00007f7ffcc1808c in XS_SDL_SurfaceW ()
   from /usr/pkg/lib/perl5/vendor_perl/5.10.0/x86_64-netbsd-thread-multi/auto/SDL_perl/SDL_perl.so
#1  0x00007f7ffdb9f589 in Perl_pp_entersub ()
   from /usr/pkg/lib/perl5/5.10.0/x86_64-netbsd-thread-multi/CORE/libperl.so
#2  0x00007f7ffdb9deee in Perl_runops_standard ()
   from /usr/pkg/lib/perl5/5.10.0/x86_64-netbsd-thread-multi/CORE/libperl.so
#3  0x00007f7ffdb99ad7 in perl_run ()
   from /usr/pkg/lib/perl5/5.10.0/x86_64-netbsd-thread-multi/CORE/libperl.so
#4  0x0000000000400f4c in main ()
(gdb)
