{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//"}]}
// This is useful e.g. for `option.ok_or_else(|| err_ub!(...))`.
// Allow `?` on `Result<_, InterpError>` in functions returning `InterpResult_`.
impl<'tcx, T, E: Into<InterpErrorInfo<'tcx>>> ops::FromResidual<Result<convert::Infallible, E>>