https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102366
--- Comment #5 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #4) > And you are trying to use 65532 kbytes long array on the stack, leaving no > stack space for anything else. Clearly user error. out of curiosity, why did this work previously? (was the array previously allocated on the heap?) we are not being very helpful to the user who made the error (neither Linux nor Darwin give any stack overflow), but I guess that's hard to arrange robustly.