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

[slawomir.czarko at dev dot policat.net]

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

Slawomir Czarko-Wasiutycz <slawomir.czarko at dev dot policat.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|4.9.3                       |6.1.0
            Summary|Crash in DLL compiled with  |Crash in DLL compiled with
                   |-fipa-pure-const and -flto  |-fipa-pure-const /
                   |[mingw32]                   |-fipa-cp-clone and -flto
                   |                            |[mingw32]

--- Comment #2 from Slawomir Czarko-Wasiutycz <slawomir.czarko at dev dot policat.net> ---
I was able to reproduce this also with gcc 6.1.0 (package
mingw32-gcc-c++-6.1.0-1.fc24.i686 on Fedora)

With gcc 6.1.0 the optimization option which is relevant is -fipa-cp-clone
instead of -fipa-pure-const