SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

thread uint2 u = uint2(1u);
void f() {
  half2 const v = half2(u);
}
program_source:4:14: error: program scope variable must reside in constant address space
thread uint2 u = uint2(1u);
             ^
program_source:6:15: warning: unused variable 'v' [-Wunused-variable]
  half2 const v = half2(u);
              ^