SKIP: FAILED

../../src/tint/lang/msl/writer/printer/printer.cc:500 internal compiler error: buf0 = struct @align(8) {
  injectionSwitch:vec2<f32> @offset(0)
}

main_out = struct @align(16) {
  x_GLF_color_1:vec4<f32> @offset(0), @location(0)
}

$B1: {  # root
  %x_9:ptr<uniform, buf0, read> = var @binding_point(0, 0)
  %gl_FragCoord:ptr<private, vec4<f32>, read_write> = var
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%main_1 = func():void {
  $B2: {
    %x_43:ptr<function, f32, read_write> = var
    %x_44:ptr<function, f32, read_write> = var
    %x_45:ptr<function, f32, read_write> = var
    %x_46:ptr<function, i32, read_write> = var
    %zero:ptr<function, i32, read_write> = var
    %param:ptr<function, vec2<f32>, read_write> = var
    %temp:ptr<function, vec2<f32>, read_write> = var
    %12:vec4<f32> = load %gl_FragCoord
    %13:vec2<f32> = swizzle %12, xy
    store %param, %13
    loop [b: $B3] {  # loop_1
      $B3: {  # body
        %14:f32 = load_vector_element %param, 1u
        %15:bool = lt %14, 50.0f
        if %15 [t: $B4, f: $B5] {  # if_1
          $B4: {  # true
            %16:ptr<uniform, vec2<f32>, read> = access %x_9, 0u
            %17:f32 = load_vector_element %16, 1u
            store %x_44, %17
            exit_if  # if_1
          }
          $B5: {  # false
            store %x_44, 0.0f
            exit_if  # if_1
          }
        }
        %18:f32 = load %x_44
        %x_61:f32 = let %18
        %20:f32 = load %x_44
        store %x_43, %20
        %21:f32 = load_vector_element %gl_FragCoord, 1u
        %22:bool = lt %21, 50.0f
        %23:f32 = select 0.0f, 1.0f, %22
        %x_65:f32 = let %23
        store %x_45, %x_65
        %25:f32 = sub %x_61, %x_65
        %26:bool = lt %25, 1.0f
        if %26 [t: $B6] {  # if_2
          $B6: {  # true
            store %x_46, 0i
            exit_loop  # loop_1
          }
        }
        store %x_46, 1i
        exit_loop  # loop_1
      }
    }
    %27:i32 = load %x_46
    %x_70:i32 = let %27
    %29:i32 = load %x_46
    store %zero, %29
    %30:bool = eq %x_70, 1i
    if %30 [t: $B7] {  # if_3
      $B7: {  # true
        ret
      }
    }
    store %x_GLF_color, vec4<f32>(0.0f, 1.0f, 1.0f, 1.0f)
    %31:f32 = load_vector_element %gl_FragCoord, 0u
    %32:ptr<uniform, vec2<f32>, read> = access %x_9, 0u
    %33:f32 = load_vector_element %32, 0u
    %34:bool = gte %31, %33
    if %34 [t: $B8] {  # if_4
      $B8: {  # true
        %35:f32 = load_vector_element %gl_FragCoord, 1u
        %36:bool = gte %35, 0.0f
        if %36 [t: $B9] {  # if_5
          $B9: {  # true
            %37:ptr<uniform, vec2<f32>, read> = access %x_9, 0u
            %38:f32 = load_vector_element %37, 1u
            store_vector_element %x_GLF_color, 0u, %38
            exit_if  # if_5
          }
        }
        exit_if  # if_4
      }
    }
    %39:f32 = load_vector_element %gl_FragCoord, 1u
    %40:bool = gte %39, 0.0f
    if %40 [t: $B10] {  # if_6
      $B10: {  # true
        %41:ptr<uniform, vec2<f32>, read> = access %x_9, 0u
        %42:f32 = load_vector_element %41, 0u
        store_vector_element %x_GLF_color, 1u, %42
        exit_if  # if_6
      }
    }
    %43:vec4<f32> = load %gl_FragCoord
    %44:vec2<f32> = swizzle %43, xy
    %x_98:vec2<f32> = let %44
    %46:f32 = access %x_98, 0u
    %47:f32 = access %x_98, 1u
    %48:vec2<f32> = construct %46, %47
    %x_101:vec2<f32> = let %48
    store %temp, %x_101
    %50:f32 = access %x_101, 1u
    %51:bool = gte %50, 0.0f
    if %51 [t: $B11] {  # if_7
      $B11: {  # true
        %52:ptr<uniform, vec2<f32>, read> = access %x_9, 0u
        %53:f32 = load_vector_element %52, 0u
        store_vector_element %x_GLF_color, 2u, %53
        exit_if  # if_7
      }
    }
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out {
  $B12: {
    store %gl_FragCoord, %gl_FragCoord_param
    %56:void = call %main_1
    %57:vec4<f32> = load %x_GLF_color
    %58:main_out = construct %57
    ret %58
  }
}
%alwaysZero_vf2_ = func(%coord:ptr<function, vec2<f32>, read_write>):i32 {
  $B13: {
    %a:ptr<function, f32, read_write> = var
    %x_110:ptr<function, f32, read_write> = var
    %b:ptr<function, f32, read_write> = var
    %64:f32 = load_vector_element %coord, 1u
    %65:bool = lt %64, 50.0f
    if %65 [t: $B14, f: $B15] {  # if_8
      $B14: {  # true
        %66:ptr<uniform, vec2<f32>, read> = access %x_9, 0u
        %67:f32 = load_vector_element %66, 1u
        store %x_110, %67
        exit_if  # if_8
      }
      $B15: {  # false
        store %x_110, 0.0f
        exit_if  # if_8
      }
    }
    %68:f32 = load %x_110
    %x_119:f32 = let %68
    %70:f32 = load %x_110
    store %a, %70
    %71:f32 = load_vector_element %gl_FragCoord, 1u
    %72:bool = lt %71, 50.0f
    %73:f32 = select 0.0f, 1.0f, %72
    %x_123:f32 = let %73
    store %b, %x_123
    %75:f32 = sub %x_119, %x_123
    %76:bool = lt %75, 1.0f
    if %76 [t: $B16] {  # if_9
      $B16: {  # true
        ret 0i
      }
    }
    ret 1i
  }
}

unhandled variable address space
********************************************************************
*  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.  *
********************************************************************