SKIP: FAILED

../../src/tint/lang/msl/writer/printer/printer.cc:1257 internal compiler error: main_out = struct @align(16) {
  x_GLF_color_1:vec4<f32> @offset(0), @location(0)
}

$B1: {  # root
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%main_1 = func():void {
  $B2: {
    switch 0i [c: (0i, $B3), c: (default, $B4)] {  # switch_1
      $B3: {  # case
        if false [t: $B5] {  # if_1
          $B5: {  # true
            exit_if  # if_1
          }
        }
        exit_switch  # switch_1
      }
      $B4: {  # case
        exit_switch  # switch_1
      }
    }
    store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
    ret
  }
}
%tint_symbol = @fragment func():main_out {
  $B6: {
    %4:void = call %main_1
    %5:vec4<f32> = load %x_GLF_color
    %6:main_out = construct %5
    ret %6
  }
}

invalid entry point IO struct uses
********************************************************************
*  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.  *
********************************************************************