{"ast_node_type":"function","tokens":[{"end":44,"kind":"keyword","start":0,"text":"fn"}]}
    fn new(fcx: &FnCtxt<'_, 'tcx>) -> Self {
impl<'tcx> EagerlyNormalizeConsts<'tcx> {
        // FIXME(#132279, generic_const_exprs): Using `try_normalize_erasing_regions` here