for v.Kind() == reflect.Pointer {
		if v.IsNil() {
			v.Set(reflect.New(v.Type().Elem()))
		}
		v = v.Elem()
	}
	return v
}

// decBool decodes a uint and stores it as a boolean in value.
func decBool(i *decInstr, state *decoderState, value reflect.Value) {
	value.SetBool(state.decodeUint() != 0)
}

// decInt8 decodes an integer and stores it as an int8 in value.

// Do not run the machine yet; instead do individual instructions crafted by hand.
func TestScalarDecInstructions(t *testing.T) {
	ovfl := errors.New("overflow")

	// bool
	{
		var data bool
		instr := &decInstr{decBool, 6, nil, ovfl}
		state := newDecodeStateFromData(boolResult)
		execDec(instr, state, t, reflect.ValueOf(&data))
		if data != true {
			t.Errorf("bool a = %v not true", data)
		}
	}
	// int
	{

		// caller.
		synthCount := len(m)
		for _, v := range sl {
			vp := varPos{
				DeclName: v.Name,
				DeclFile: v.DeclFile,
				DeclLine: v.DeclLine,
				DeclCol:  v.DeclCol,
			}
			synthesized := strings.HasPrefix(v.Name, "~") || v.Name == "_"
			if idx, found := m[vp]; found {
				v.ChildIndex = int32(idx)
				v.IsInAbstract = !synthesized
			} else {

			return pinfo, noReadQuorumPools, nil
		}
	}
	if opts.ReplicationRequest && opts.DeleteMarker && defPool.Index >= 0 {
		// If the request is a delete marker replication request, return a default pool
		// in cases where the object does not exist.
		// This is to ensure that the delete marker is replicated to the destination.
		return defPool, noReadQuorumPools, nil
	}

	// so indirect through a closure.
	PutLocationList func(listSym, startPC Sym)
	Scope           int32
	Type            Sym
	DeclFile        string
	DeclLine        uint
	DeclCol         uint
	InlIndex        int32 // subtract 1 to form real index into InlTree
	ChildIndex      int32 // child DIE index in abstract function
	IsInAbstract    bool  // variable exists in abstract function