I just tried to compile the Suse Linux package speex-1.1.99.91-15.19 with the GNU gcc version 4.5 snapshot 20090423.
The compiler said vq_sse.h: In function 'vq_nbest': vq_sse.h:52: internal compiler error: in gimplify_expr, at gimplify.c:7175 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source code attached. No special flags required. -- Summary: gimplify_expr failure Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dcb314 at hotmail dot com GCC host triplet: x86_64-suse-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39928