I just tried to compile Suse Linux package ruby-zypp-0.1-44 with the GNU C++ compiler version 4.3 snapshot 20070216.
The compiler said /usr/include/boost/regex/v4/perl_matcher_non_recursive.hpp:190: internal compiler error: tree check: expected tree_list, have function_decl in build_call, at cp/call.c:331 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source code attached. No flags required. -- Summary: tree check fail for legal code Product: gcc Version: 4.3.0 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=30839