[Bug c++/71260] Crash in DLL compiled with -fipa-pure-const and -flto [mingw32]

[slawomir.czarko at dev dot policat.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71260

--- Comment #1 from Slawomir Czarko-Wasiutycz <slawomir.czarko at dev dot 
policat.net> ---
Created attachment 38554
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38554&action=edit
Program code