tests/sksl/glsl/ConstantIf.sksl

void main() {
    int x;
    if (true) x = 1;
    if (2 > 1) x = 2; else x = 3;
    if (1 > 2) x = 4; else x = 5;
    if (false) x = 6;
    sk_FragColor.r = x;
}