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// MIR for `num_to_digit` after PreCodegen

fn num_to_digit(_1: char) -> u32 {
    debug num => _1;
    let mut _0: u32;
    let mut _4: std::option::Option<u32>;
    scope 1 (inlined char::methods::<impl char>::is_digit) {
        debug self => _1;
        debug radix => const 8_u32;
        let _2: std::option::Option<u32>;
        let mut _7: &std::option::Option<u32>;
        scope 2 (inlined Option::<u32>::is_some) {
            debug self => _7;
            let mut _3: isize;
        }
    }
    scope 3 (inlined #[track_caller] Option::<u32>::unwrap) {
        debug self => _4;
        let mut _5: isize;
        let mut _6: !;
        scope 4 {
            debug val => _0;
        }
    }

    bb0: {
        StorageLive(_7);
        StorageLive(_2);
        _2 = char::methods::<impl char>::to_digit(_1, const 8_u32) -> [return: bb1, unwind continue];
    }

    bb1: {
        _3 = discriminant(_2);
        StorageDead(_7);
        StorageDead(_2);
        switchInt(move _3) -> [1: bb2, otherwise: bb7];
    }

    bb2: {
        StorageLive(_4);
        _4 = char::methods::<impl char>::to_digit(move _1, const 8_u32) -> [return: bb3, unwind continue];
    }

    bb3: {
        _5 = discriminant(_4);
        switchInt(move _5) -> [0: bb4, 1: bb5, otherwise: bb6];
    }

    bb4: {
        _6 = core::panicking::panic(const "called `Option::unwrap()` on a `None` value") -> unwind continue;
    }

    bb5: {
        _0 = move ((_4 as Some).0: u32);
        StorageDead(_4);
        goto -> bb8;
    }

    bb6: {
        unreachable;
    }

    bb7: {
        _0 = const 0_u32;
        goto -> bb8;
    }

    bb8: {
        return;
    }
}