[Bug demangler/88629] Regression lead to Heap-buffer-overflow problem in function d_expression_1 in cp-demangle.c, as demonstrated by c++filt

[wcventure at 126 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629

--- Comment #8 from Cheng Wen <wcventure at 126 dot com> ---
(In reply to Trupti Pardeshi from comment #7)

> commit ebb8004a18a3808d7197762faf3c5aaeae82371f
> Author: GDB Administrator <gdbadmin@sourceware.org>
> Date:   Wed Dec 19 00:00:21 2018 +0000
> 
>     Automatic date update in version.in