https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103739
--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> --- Hi! I have no idea why not. $ gdc --version gdc (GCC) 9.3.1 20200410 and it says Configured with: /home/segher/src/gcc/configure --prefix=/home/segher/tot --enable-languages=c,c++,fortran,ada,d,objc,obj-c++ --disable-libgomp