uniform half4 colorGreen, colorRed;

const int3 values = int3(1);

inline int indexVector(int index) {
    return values[index];
}

half4 main(float2 coords) {
    int ok = indexVector(0) + indexVector(1) + indexVector(2);
    int undefined = indexVector(-1) + indexVector(3);
    return colorGreen;
}

/*%%*
index -1 out of range for 'int3'
index 3 out of range for 'int3'
*%%*/