SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

thread uint var_1 = 0u;
uint x_200() {
  if (false) {
    return 2u;
  }
  return 3u;
}
void main_1() {
  uint const x_11 = x_200();
}
fragment void tint_symbol() {
  main_1();
}
program_source:4:13: error: program scope variable must reside in constant address space
thread uint var_1 = 0u;
            ^
program_source:12:14: warning: unused variable 'x_11' [-Wunused-variable]
  uint const x_11 = x_200();
             ^

