const runtime._ArgsSizeUnknown

3 uses

	runtime (current package)
		symtab.go#L315: 	_ArgsSizeUnknown = -0x80000000
		traceback.go#L671: 	return uintptr(f.args), nil, !(needArgMap && f.args == _ArgsSizeUnknown)
		traceback.go#L684: 	if needArgMap && f.args == _ArgsSizeUnknown {