http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50678
--- Comment #20 from Iain Sandoe <iains at gcc dot gnu.org> 2011-10-12 13:47:32 UTC --- rax 0x10000010 268435472 rbx 0x7fff5fbff380 140734799803264 rcx 0x7fff5bc00380 140734732698496 rdx 0x10000000 268435456 rsi 0x7fff4fbfc380 140734531355520 rdi 0x0 0 rbp 0x7fff5fbff4a0 0x7fff5fbff4a0 rsp 0x7fff5fbff380 0x7fff5fbff380 .. so it looks like the requested stack frame size is circa 256Mb .. (c.f. Darwin's 64-sih Mb).
