https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68159
--- Comment #10 from Carlos Alberto Lopez Perez <clopez at igalia dot com> --- It seems c++filt also crashes with the very same test case: $ echo '_ZSt7forwardIRKZN5Write14DataMapGrammarISt20back_insert_iteratorISsEEC4EvEUlRT_E_EOS5_RNSt16remove_referenceIS5_E4typeE'|c++filt Segmentation fault (core dumped)
