1uniform half4 colorGreen, colorRed;
2
3const int[3] values = int[3](1, 1, 1);
4
5inline int indexArray(int index) {
6    return values[index];
7}
8
9half4 main(float2 coords) {
10    int ok = indexArray(0) + indexArray(1) + indexArray(2);
11    int undefined = indexArray(-1) + indexArray(3);
12    return colorGreen;
13}
14