SKIP: FAILED


struct In {
  none : f32;
  flat : f32;
  perspective_center : f32;
  perspective_centroid : f32;
  perspective_sample : f32;
  linear_center : f32;
  linear_centroid : f32;
  linear_sample : f32;
};

[[location(0), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol : f32;

[[location(1), interpolate(flat), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_1 : f32;

[[location(2), interpolate(perspective, center), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_2 : f32;

[[location(3), interpolate(perspective, centroid), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_3 : f32;

[[location(4), interpolate(perspective, sample), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_4 : f32;

[[location(5), interpolate(linear, center), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_5 : f32;

[[location(6), interpolate(linear, centroid), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_6 : f32;

[[location(7), interpolate(linear, sample), internal(disable_validation__ignore_storage_class)]] var<in> tint_symbol_7 : f32;

[[stage(fragment)]]
fn main() {
}

Failed to generate: unknown decoration