SKIP: FAILED

<dawn>/src/tint/lang/msl/writer/printer/printer.cc:775 internal compiler error: VertexOutput = struct @align(16) {
  pos:vec4<f32> @offset(0), @builtin(position)
  loc0:i32 @offset(16), @location(0), @interpolate(flat)
}

%foo = func(%x:f32):VertexOutput -> %b1 {
  %b1 = block {
    %3:vec4<f32> = construct %x, %x, %x, 1.0f
    %4:VertexOutput = construct %3, 42i
    ret %4
  }
}
%vert_main1 = @vertex func():VertexOutput -> %b2 {
  %b2 = block {
    %6:VertexOutput = call %foo, 0.5f
    ret %6
  }
}
%vert_main2 = @vertex func():VertexOutput -> %b3 {
  %b3 = block {
    %8:VertexOutput = call %foo, 0.25f
    ret %8
  }
}

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