fn is_cast_to_bigger_memory_layout<'tcx>( cx: &LateContext<'tcx>, orig_expr: &'tcx Expr<'tcx>, peel_casts: impl FnMut() -> (&'tcx Expr<'tcx>, bool), ) -> Option<(TyAndLayout<'tcx>, TyAndLayout<'tcx>, Expr<'tcx>)>