1 error[E0381]: borrow of possibly-uninitialized variable: `cfg_res`
2 --> $DIR/try-block-opt-init.rs:15:5
4 LL | assert_eq!(cfg_res, 5);
5 | ^^^^^^^^^^^^^^^^^^^^^^ use of possibly-uninitialized `cfg_res`
7 = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0381`.