sksl/shared/DeadGlobals.sksl

uniform half4 colorGreen, colorRed;

const float Pi = 3.14;
const float Alias1 = Pi;
const float Alias2 = Alias1;
const float Alias3 = Alias2;
const float Alias4 = Alias1;
const float Alias5 = Pi;

half4 main(float2) {
    return (Pi == Alias3) ? colorGreen : colorRed;
}