[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 #10 from Cheng Wen <wcventure at 126 dot com> ---
(In reply to Trupti Pardeshi from comment #9)

This bug can be reproduced in the commit version
ebb8004a18a3808d7197762faf3c5aaeae82371f.

But now is fixed.