SKIP: FAILED

../../src/tint/lang/msl/writer/printer/printer.cc:1257 internal compiler error: In = struct @align(16) {
  a:vec4<f32> @offset(0), @location(0)
  b:vec4<f32> @offset(16), @location(1), @interpolate(flat)
  fbf:vec4<i32> @offset(32)
}

%g = func(%a:f32, %b:f32, %c:i32):void {
  $B1: {
    ret
  }
}
%f = @fragment func(%in:In):void {
  $B2: {
    %7:f32 = access %in, 0u, 0u
    %8:f32 = access %in, 1u, 1u
    %9:i32 = access %in, 2u, 0u
    %10:void = call %g, %7, %8, %9
    ret
  }
}

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