[Bug c++/87350] NULL-Pointer problem in cplus-dem.c when executing program c++filt

[wcventure at 126 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87350

--- Comment #1 from Cheng Wen <wcventure at 126 dot com> ---
Created attachment 44714
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44714&action=edit
POC1