[Bug c/67433] ?: expression returns unexpected value when condition is a bool variable which memory is not true/false

[xuejuncao at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67433

--- Comment #10 from xuejuncao <xuejuncao at gmail dot com> ---
when bool value read from unpacked stream or file, wen can not ensure it's 1 or
0;
so maybe the best solution is compile with "-D_Bool=char" for now :-/