tests/sksl/glsl/SwizzleOpt.sksl

void main() {
    half v = half(sqrt(1));
    sk_FragColor = half4(v).rgba;
    sk_FragColor = half4(v).rgb0.abgr;
    sk_FragColor = half4(v).rgba.00ra;
    sk_FragColor = half4(v).rgba.rrra.00ra.11ab;
    sk_FragColor = half4(v).abga.gb11;
    sk_FragColor = half4(v).abgr.abgr;
    sk_FragColor = half4(half4(v).rrrr.bb, 1, 1);
    sk_FragColor = half4(half4(v).ba.grgr);
}