When cc1 is build using --enable-build-with-cxx, it is nigh impossible to debug because the variables insn_data and df share their name with the struct tags of the element / pointed-to data. I believe the struct tags should be renamed, e.g. insn_data_d and df_d.
-- Summary: type/data name clash makes --enable-build-with-cxx cc1 hard to debug Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: amylaar at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44644