Function rustc_lint::builtin::structurally_same_type_impl

fn structurally_same_type_impl<'tcx>(
    seen_types: &mut FxHashSet<(Ty<'tcx>, Ty<'tcx>)>,
    cx: &LateContext<'tcx>,
    a: Ty<'tcx>,
    b: Ty<'tcx>,
    ckind: CItemKind
) -> bool