Crash DMD in release mode

Debug works

dub run --arch=x86_64 --build=debug

dub run --arch=x86_64 --build=release

DMD 2.091.0: fails

DMD 2.090.1: fails

DMD 2.089.1: fails

DMD 2.088.1: fails

DMD 2.087.1: fails

DMD 2.086.1: works