https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90584
--- Comment #2 from Yibiao Yang <yangyibiao at nju dot edu.cn> --- (In reply to Jonathan Wakely from comment #1) > GDB is a separate project with its own bugzilla, see > https://sourceware.org/bugzilla Thanks. I am not quite sure whether this is a bug of gdb or gcc. I am wondering that the problem is caused by wrong code generated by gcc.