https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106832
--- Comment #3 from Dan Horák <dan at danny dot cz> --- a couple notes - you need to start with GCC 11 as GCC 12 needs an existing gdc compiler - the phobos/dmd standard library seems to support ieeequad type, learned from ldc, I believe they all share the same standard library - https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=libphobos/configure.tgt;h=0063dd23249101b3506106ebbe32f454bcb829fb;hb=HEAD#l47 can go away, seems to build OK in GCC 11 without the line
