https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121814
liwei <liweifriends at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|INVALID |--- Status|RESOLVED |UNCONFIRMED --- Comment #9 from liwei <liweifriends at gmail dot com> --- @Jonathan Wakely : I have attached a new file, with the code modification suggested by you. But even with this file when compiling with -O3 the system still throw exception.