https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65006
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jan Hubicka from comment #1) > Hmm, I wonder why this reproduce on x86-32 only. Does it use any special > local calling conventions that x86-64 doesn't? For local functions, GCC will use regparm to pass parameters in registers, instead of on stack.