https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110113
--- Comment #5 from ibuclaw at gcc dot gnu.org --- Reducing the std module down to the following always produces a crash in dmd_aaGetRvalue when running debian/ubuntu pre-compiled gdc-13 under gdb. --- struct Tid { MessageBox mbox; } struct ThreadInfo { bool[Tid] links; } class MessageBox { } --- Reproducing with own built gdc is proving to be elusive.