Nothing much that can be done here except get the package maintainer to fix the
installation paths of ldc.
The phobos/druntime sources will always differ between each compiler runtime
library as there're many local changes that aren't accepted in upstream.
--
Iain
Original Message ---
Howdy,
This was the case in Fedora 30, and is now the case in Fedora 31.
RPMs are available for gdc and for ldc2, but when both are
installed gdc can't compile anything as it tries to load a version
of phobos installed by ldc2 which has features gdc doesn't yet
support. For someone who's decided