engine.instr[singletonField] = decInstr{*op, singletonField, nil, ovfl}
	engine.numInstr = 1
	return
}

// compileIgnoreSingle compiles the decoder engine for a non-struct top-level value that will be discarded.
func (dec *Decoder) compileIgnoreSingle(remoteId typeId) *decEngine {
	engine := new(decEngine)
	engine.instr = make([]decInstr, 1) // one item