SKIP: FAILED

#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 main_out {
  uint x_1_1 [[sample_mask]];
};

thread tint_array<uint, 1> x_1 = tint_array<uint, 1>{};
void main_1() {
}
fragment main_out tint_symbol() {
  main_1();
  return {.x_1_1=x_1[0]};
}
program_source:19:28: error: program scope variable must reside in constant address space
thread tint_array<uint, 1> x_1 = tint_array<uint, 1>{};
                           ^