SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

thread half u = 1.0h;
void f() {
  float const v = float(u);
}
program_source:4:13: error: program scope variable must reside in constant address space
thread half u = 1.0h;
            ^
program_source:6:15: warning: unused variable 'v' [-Wunused-variable]
  float const v = float(u);
              ^