[Bug target/77405] SIGBUS from gnatmake in stage 3 (gcc 7.0)

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77405

--- Comment #27 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Does it help if you define MALLOC_OBSERVABLE_ALIGNMENT to 64 in
i386/dragonfly.h?