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
  %gl_FragCoord:ptr<private, vec4<f32>, read_write> = var
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%func_ = func():f32 {
  $B2: {
    %x:ptr<function, f32, read_write> = var
    store %x, 2.0f
    %5:f32 = load_vector_element %gl_FragCoord, 0u
    %x_35:f32 = let %5
    %7:bool = eq %x_35, 12.0f
    if %7 [t: $B3] {  # if_1
      $B3: {  # true
        %8:f32 = load_vector_element %gl_FragCoord, 1u
        %x_40:f32 = let %8
        %10:bool = eq %x_40, 13.0f
        if %10 [t: $B4] {  # if_2
          $B4: {  # true
            %11:f32 = load %x
            %x_44:f32 = let %11
            %13:f32 = add %x_44, 1.0f
            store %x, %13
            exit_if  # if_2
          }
        }
        %14:f32 = load %x
        %x_46:f32 = let %14
        ret %x_46
      }
    }
    ret 1.0f
  }
}
%main_1 = func():void {
  $B5: {
    if false [t: $B6, f: $B7] {  # if_3
      $B6: {  # true
        %17:f32 = call %func_
        %x_31:f32 = let %17
        %19:vec4<f32> = construct %x_31, %x_31, %x_31, %x_31
        store %x_GLF_color, %19
        exit_if  # if_3
      }
      $B7: {  # false
        store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
        exit_if  # if_3
      }
    }
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out {
  $B8: {
    store %gl_FragCoord, %gl_FragCoord_param
    %22:void = call %main_1
    %23:vec4<f32> = load %x_GLF_color
    %24:main_out = construct %23
    ret %24
  }
}

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