#include <metal_stdlib>

using namespace metal;

template<typename T, size_t N>
struct tint_array {
    const constant T& operator[](size_t i) const constant { return elements[i]; }
    device T& operator[](size_t i) device { return elements[i]; }
    const device T& operator[](size_t i) const device { return elements[i]; }
    thread T& operator[](size_t i) thread { return elements[i]; }
    const thread T& operator[](size_t i) const thread { return elements[i]; }
    threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
    const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
    T elements[N];
};

struct str {
  int i;
};

str func(threadgroup str* const pointer) {
  return *(pointer);
}

void tint_symbol_inner(uint local_invocation_index, threadgroup tint_array<str, 4>* const tint_symbol_2) {
  for(uint idx = local_invocation_index; (idx < 4u); idx = (idx + 1u)) {
    uint const i_1 = idx;
    str const tint_symbol_1 = str{};
    (*(tint_symbol_2))[i_1] = tint_symbol_1;
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  str const r = func(&((*(tint_symbol_2))[2]));
}

kernel void tint_symbol(uint local_invocation_index [[thread_index_in_threadgroup]]) {
  threadgroup tint_array<str, 4> tint_symbol_3;
  tint_symbol_inner(local_invocation_index, &(tint_symbol_3));
  return;
}