[Bug middle-end/126823] -fhardened applied partially after target rejection, with no per-constituent report

[hello at bjornpagen dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126823

--- Comment #2 from Bjorn Pagen <hello at bjornpagen dot com> ---
Created attachment 65321
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65321&action=edit
C++ library assertion probe