// and flushes that plist to machine code.
// worker indicates which of the backend workers is doing the processing.
func Compile(fn *ir.Func, worker int, profile *pgoir.Profile) {
	f := buildssa(fn, worker, inline.IsPgoHotFunc(fn, profile) || inline.HasPgoHotInline(fn))
	// Note: check arg size to fix issue 25507.
	if f.Frontend().(*ssafn).stksize >= maxStackSize || f.OwnAux.ArgWidth() >= maxStackSize {
		largeStackFramesMu.Lock()