[Bug other/61321] demangler crash on casts in template parameters

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61321

--- Comment #13 from Ian Lance Taylor <ian at airs dot com> ---
Was the symbol from comment #12,
_ZSt7forwardIRKZN5Write14DataMapGrammarISt20back_insert_iteratorISsEEC4EvEUlRT_E_EOS5_RNSt16remove_referenceIS5_E4typeE,
generated by g++ or clang?  That is, is it supposed to demangle?  If so, do you
have the source code?