void increment(inout float a, inout float b, inout float c) {
    a++, b++, c++;
}

noinline float userfunc(float v) {
    return v + 1;
}

half4 main(float2 coords) {
    float a = 1, b = 2, c = 3, z = 4;
    if (false) {
        a++, b++, c++;
    }

    a = 1;
    b = 2;
    z = 3;
    a = a = 4;
    z = z = z = 5;
    a = z = 6;
    z = a = z = 7;

    a = c + 77.0;
    b = c + 77.0;
    a = sin(c + 77.0);
    b = sin(c + 77.0);
    a = userfunc(c + 77.0);
    b = userfunc(c + 77.0);
    a = a = cos(c);
    b = b = cos(c);

    for (int x=0; x<1; ++x) {
        continue;
        increment(a, b, c);
    }
    float d = c;
    float e = d;
    b = 3;
    d++;

    int i, j, k = j = i; // oss-fuzz:51741

    return half4(b == 2, b == 3, d == 5, d == 4);
}