I wrote: >OK, at least jit properly calls 'soft_fixup_trampoline'... ># But just after that, it crashed again ;-< Two more fields also need 'packed' attribute, how silly I am :-< Anyway, mac starts to recompile everything (if I touch jit.h, even libraries are re-compiled, the dependency is another thing to improve) and it's good time for me to go to bed. Kiyo