layout(set=0, binding=0) uniform bufferOne { int[4] x; };
layout(set=0, binding=0) uniform bufferTwo { int[4] y; };

// Not a duplicate, as "set = -1".
layout(binding=0) uniform bufferThree { float z; };

// Duplicates:
layout(binding=1) uniform bufferFour { float w; };
layout(binding=1) uniform bufferFive { float q; };

// Should not generate any errors despite overlap with above.
// TODO(skia:13664): Graphite currently generates programs with overlapping indices across interface
// blocks and texture/sampler types. WGSL requires this to become an error.
layout(set=0, binding=0) uniform texture2D t;

void main() {
}

/*%%*
layout(set=0, binding=0) has already been defined
layout(binding=1) has already been defined
*%%*/