SKIP: FAILED

#include <metal_stdlib>
using namespace metal;
struct main_out {
  float4 gl_Position [[position]];
};

thread float x_900 = 0.0f;
thread float4 gl_Position = 0.0f;
void main_1() {
  x_900 = 1.0f;
}
vertex main_out tint_symbol() {
  main_1();
  return {.gl_Position=gl_Position};
}
program_source:7:14: error: program scope variable must reside in constant address space
thread float x_900 = 0.0f;
             ^
program_source:8:15: error: program scope variable must reside in constant address space
thread float4 gl_Position = 0.0f;
              ^