SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

thread bool continue_execution = true;
void f() {
  {
    while(true) {
      continue_execution = false;
      return;
    }
  }
  /* unreachable */
}
program_source:4:13: error: program scope variable must reside in constant address space
thread bool continue_execution = true;
            ^