// MIR for `ezmap` after PreCodegen

fn ezmap(_1: Option<i32>) -> Option<i32> {
    debug x => _1;                       // in scope 0 at $DIR/simple_option_map.rs:+0:14: +0:15
    let mut _0: std::option::Option<i32>; // return place in scope 0 at $DIR/simple_option_map.rs:+0:33: +0:44
    scope 1 (inlined map::<i32, i32, [closure@$DIR/simple_option_map.rs:18:12: 18:15]>) { // at $DIR/simple_option_map.rs:18:5: 18:22
        debug slf => _1;                 // in scope 1 at $DIR/simple_option_map.rs:6:17: 6:20
        debug f => const ZeroSized: [closure@$DIR/simple_option_map.rs:18:12: 18:15]; // in scope 1 at $DIR/simple_option_map.rs:6:33: 6:34
        let mut _2: isize;               // in scope 1 at $DIR/simple_option_map.rs:11:9: 11:16
        let _3: i32;                     // in scope 1 at $DIR/simple_option_map.rs:11:14: 11:15
        let mut _4: i32;                 // in scope 1 at $DIR/simple_option_map.rs:11:25: 11:29
        scope 2 {
            debug x => _3;               // in scope 2 at $DIR/simple_option_map.rs:11:14: 11:15
            scope 3 (inlined ezmap::{closure#0}) { // at $DIR/simple_option_map.rs:11:25: 11:29
                debug n => _3;           // in scope 3 at $DIR/simple_option_map.rs:+1:13: +1:14
            }
        }
    }

    bb0: {
        _2 = discriminant(_1);           // scope 1 at $DIR/simple_option_map.rs:10:11: 10:14
        switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb4]; // scope 1 at $DIR/simple_option_map.rs:10:5: 10:14
    }

    bb1: {
        _0 = Option::<i32>::None;        // scope 1 at $DIR/simple_option_map.rs:12:17: 12:21
        goto -> bb3;                     // scope 1 at $DIR/simple_option_map.rs:12:17: 12:21
    }

    bb2: {
        _3 = ((_1 as Some).0: i32);      // scope 1 at $DIR/simple_option_map.rs:11:14: 11:15
        StorageLive(_4);                 // scope 2 at $DIR/simple_option_map.rs:11:25: 11:29
        _4 = Add(_3, const 1_i32);       // scope 3 at $DIR/simple_option_map.rs:+1:16: +1:21
        _0 = Option::<i32>::Some(move _4); // scope 2 at $DIR/simple_option_map.rs:11:20: 11:30
        StorageDead(_4);                 // scope 2 at $DIR/simple_option_map.rs:11:29: 11:30
        goto -> bb3;                     // scope 1 at $DIR/simple_option_map.rs:14:1: 14:2
    }

    bb3: {
        return;                          // scope 0 at $DIR/simple_option_map.rs:+2:2: +2:2
    }

    bb4: {
        unreachable;                     // scope 1 at $DIR/simple_option_map.rs:10:11: 10:14
    }
}