SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

thread float u = 1.0f;
void f() {
  bool const v = bool(u);
}
program_source:4:14: error: program scope variable must reside in constant address space
thread float u = 1.0f;
             ^
program_source:6:14: warning: unused variable 'v' [-Wunused-variable]
  bool const v = bool(u);
             ^