#include <metal_stdlib>
using namespace metal;

kernel void tint_symbol() {
  float3x3 m = float3x3(float3(1.0f, 2.0f, 3.0f), float3(4.0f, 5.0f, 6.0f), float3(7.0f, 8.0f, 9.0f));
  thread float3* const v = (&m[1]);
  (*v) = float3(5.0f);
}