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: {
    %x_26:ptr<function, vec2<f32>, read_write> = var
    %x_39:ptr<function, bool, read_write> = var
    %x_26_phi:ptr<function, vec2<f32>, read_write> = var
    %x_5_phi:ptr<function, i32, read_write> = var
    %x_40_phi:ptr<function, bool, read_write> = var
    store %x_26_phi, vec2<f32>(0.0f)
    store %x_5_phi, 2i
    loop [b: $B3, c: $B4] {  # loop_1
      $B3: {  # body
        %x_27:ptr<function, vec2<f32>, read_write> = var
        %x_4:ptr<function, i32, read_write> = var
        %10:vec2<f32> = load %x_26_phi
        store %x_26, %10
        %11:i32 = load %x_5_phi
        %x_5:i32 = let %11
        %13:bool = lt %x_5, 3i
        if %13 [t: $B5, f: $B6] {  # if_1
          $B5: {  # true
            exit_if  # if_1
          }
          $B6: {  # false
            exit_loop  # loop_1
          }
        }
        continue  # -> $B4
      }
      $B4: {  # continuing
        %14:f32 = convert %x_5
        %15:vec2<f32> = construct 1.0f, %14
        %x_32:vec2<f32> = let %15
        %17:f32 = access %x_32, 0u
        %18:f32 = access %x_32, 1u
        %19:vec2<f32> = construct %17, %18
        store %x_27, %19
        %20:i32 = add %x_5, 1i
        store %x_4, %20
        %21:vec2<f32> = load %x_27
        store %x_26_phi, %21
        %22:i32 = load %x_4
        store %x_5_phi, %22
        next_iteration  # -> $B3
      }
    }
    %23:f32 = load_vector_element %x_26, 0u
    %24:bool = neq %23, 1.0f
    %x_34:bool = let %24
    store %x_40_phi, %x_34
    %26:bool = eq %x_34, false
    if %26 [t: $B7] {  # if_2
      $B7: {  # true
        %27:f32 = load_vector_element %x_26, 1u
        %28:bool = neq %27, 2.0f
        store %x_39, %28
        %29:bool = load %x_39
        store %x_40_phi, %29
        exit_if  # if_2
      }
    }
    %30:bool = load %x_40_phi
    %x_40:bool = let %30
    if %x_40 [t: $B8, f: $B9] {  # if_3
      $B8: {  # true
        store %x_GLF_color, vec4<f32>(0.0f)
        exit_if  # if_3
      }
      $B9: {  # false
        store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
        exit_if  # if_3
      }
    }
    ret
  }
}
%tint_symbol = @fragment func():main_out {
  $B10: {
    %33:void = call %main_1
    %34:vec4<f32> = load %x_GLF_color
    %35:main_out = construct %34
    ret %35
  }
}

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