http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56227
--- Comment #10 from Uros Bizjak <ubizjak at gmail dot com> 2013-02-07 10:07:43 UTC --- (In reply to comment #8) > > I don't see anything wrong with the above HOST_WIDE_INT_PRINT_HEX_PURE > > definition. Does this hints and some MinGW specific problem in type > > checking? > > internal_error takes GCC formats, not printf formats. > HOST_WIDE_INT_PRINT_HEX_PURE is a printf format and may not be valid for > direct use in GCC diagnostic functions. You need to use a GCC format such > as %wx here. Ah, sorry for not noticing this comment. I will prepare a complete patch.