func (f *Func) SetABIWrapper(b bool)               { f.flags.set(funcABIWrapper, b) }
func (f *Func) SetNeedctxt(b bool)                 { f.flags.set(funcNeedctxt, b) }
func (f *Func) SetIsHiddenClosure(b bool)          { f.flags.set(funcIsHiddenClosure, b) }
func (f *Func) SetIsDeadcodeClosure(b bool)        { f.flags.set(funcIsDeadcodeClosure, b) }

			// want (moving the func to a static init will effectively
			// hide it from escape analysis). Mark as non-hidden here.
			// so that it will participated in escape analysis.
			r.Func.SetIsHiddenClosure(false)
			// Closures with no captured variables are globals,
			// so the assignment can be done at link time.
			// TODO if roff != 0 { panic }
			staticdata.InitAddr(l, loff, staticdata.FuncLinksym(r.Func.Nname))