fn pred_known_to_hold_modulo_regions<'tcx>(
infcx: &InferCtxt<'tcx>,
param_env: ParamEnv<'tcx>,
pred: impl ToPredicate<'tcx> + TypeVisitable<'tcx>,
span: Span
) -> bool
fn pred_known_to_hold_modulo_regions<'tcx>(
infcx: &InferCtxt<'tcx>,
param_env: ParamEnv<'tcx>,
pred: impl ToPredicate<'tcx> + TypeVisitable<'tcx>,
span: Span
) -> bool