http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48853
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-04 14:06:56 UTC --- Can you track down on which mem_loc_descriptor call these new DW_OP_GNU_*_type/DW_OP_GNU_{convert,reinterpret} locs have been added, and for that post a backtrace and debug_rtx on the outermost mem_loc_descriptor call argument?