I just tried to compile Suse Linux package libqca2-2.0.2-2.2 with the gcc 4.5 mainline snapshot 20090730 and the compiler said
qca_core.cpp:1880:3: internal compiler error: in create_tmp_var, at gimplify.c:504 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source attached. No special flags required. -- Summary: ice in create_tmp_var 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=40938