SKIP: FAILED

../../src/tint/lang/msl/writer/printer/printer.cc:500 internal compiler error: $B1: {  # root
  %a:ptr<push_constant, f32, read_write> = var
}

%tint_symbol = @vertex func(%b:u32 [@instance_index]):vec4<f32> [@position] {
  $B2: {
    %4:f32 = load %a
    %5:f32 = let %4
    %6:f32 = convert %b
    %7:f32 = add %5, %6
    %8:vec4<f32> = construct %7
    ret %8
  }
}

unhandled variable address space
********************************************************************
*  The tint shader compiler has encountered an unexpected error.   *
*                                                                  *
*  Please help us fix this issue by submitting a bug report at     *
*  crbug.com/tint with the source program that triggered the bug.  *
********************************************************************