1 error[E0381]: borrow of possibly uninitialized variable: `cfg_res`
2 --> $DIR/catch-opt-init.rs:23:5
4 LL | assert_eq!(cfg_res, 5); //~ ERROR use of possibly uninitialized variable
5 | ^^^^^^^^^^^^^^^^^^^^^^^ use of possibly uninitialized `cfg_res`
7 = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0381`.