[Bug c++/93028] internal compiler error: in write_type, at cp/mangle.c:2073

[itchka at compuserve dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93028

--- Comment #5 from Colin H Close <itchka at compuserve dot com> ---
Created attachment 47540
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47540&action=edit
Easy compile of pre-processed source

Even easier reproduction of the fault.
Untar the archive and run create_errorpp.sh
The pre-processed source is test.cpp