I just tried to compile the Suse Linux package sparse sparse-0.4.1.git1-1.56 with the GNU C compiler version 4.4 snapshot 20090306 and the compiler said
sparse.c: In function 'check_context': sparse.c:546: internal compiler error: in referenced_var_lookup, at tree-dfa.c:563 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source code attached. Flag -O2 required. -- Summary: ice in tree-dfa.c for legal code with -O2 Product: gcc Version: 4.4.0 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=39406