SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

thread float3x4 myvar = float3x4(0.0f);
void main_1() {
  myvar[2u] = float4(42.0f);
}
fragment void tint_symbol() {
  main_1();
}
program_source:4:17: error: program scope variable must reside in constant address space
thread float3x4 myvar = float3x4(0.0f);
                ^