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: {
    %a:ptr<function, vec2<f32>, read_write> = var
    %b:ptr<function, vec2<f32>, read_write> = var
    store %a, vec2<f32>(1.0f)
    %5:f32 = load_vector_element %a, 0u
    %6:f32 = add %5, 0.5f
    store_vector_element %a, 0u, %6
    %7:vec2<f32> = load %a
    %8:vec2<f32> = fract %7
    store %b, %8
    %9:f32 = load_vector_element %b, 0u
    %10:bool = eq %9, 0.5f
    if %10 [t: $B3, f: $B4] {  # if_1
      $B3: {  # true
        store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
        exit_if  # if_1
      }
      $B4: {  # false
        store %x_GLF_color, vec4<f32>(0.0f)
        exit_if  # if_1
      }
    }
    ret
  }
}
%tint_symbol = @fragment func():main_out {
  $B5: {
    %12:void = call %main_1
    %13:vec4<f32> = load %x_GLF_color
    %14:main_out = construct %13
    ret %14
  }
}

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.  *
********************************************************************