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
}

%main_1 = func():void {
  $B2: {
    %i:ptr<function, i32, read_write> = var
    store %i, 2i
    loop [b: $B3, c: $B4] {  # loop_1
      $B3: {  # body
        %5:i32 = load %i
        %x_6:i32 = let %5
        %7:i32 = add %x_6, 1i
        store %i, %7
        continue  # -> $B4
      }
      $B4: {  # continuing
        %8:f32 = load_vector_element %gl_FragCoord, 0u
        %x_35:f32 = let %8
        %10:bool = gte %x_35, 0.0f
        %11:bool = and %10, false
        %12:bool = eq %11, false
        break_if %12  # -> [t: exit_loop loop_1, f: $B3]
      }
    }
    %13:i32 = load %i
    %x_8:i32 = let %13
    %15:bool = eq %x_8, 3i
    if %15 [t: $B5, f: $B6] {  # if_1
      $B5: {  # true
        store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
        exit_if  # if_1
      }
      $B6: {  # false
        store %x_GLF_color, vec4<f32>(0.0f)
        exit_if  # if_1
      }
    }
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out {
  $B7: {
    store %gl_FragCoord, %gl_FragCoord_param
    %18:void = call %main_1
    %19:vec4<f32> = load %x_GLF_color
    %20:main_out = construct %19
    ret %20
  }
}

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