gistfile1.txt

// MIR for `foo::{closure#0}` before StateTransform

fn foo::{closure#0}(_1: [static generator@src/test/ui/generator/addassign-yield.rs:19:14: 27:6], _2: ()) -> ()
yields ()
 {
    let mut _0: ();                      // return place in scope 0 at src/test/ui/generator/addassign-yield.rs:19:24: 19:24
    let _3: &mut i32;                    // in scope 0 at src/test/ui/generator/addassign-yield.rs:20:13: 20:14
    let mut _4: i32;                     // in scope 0 at src/test/ui/generator/addassign-yield.rs:20:22: 20:23
    let mut _5: i32;                     // in scope 0 at src/test/ui/generator/addassign-yield.rs:24:14: 26:10
    let mut _6: std::string::String;     // in scope 0 at src/test/ui/generator/addassign-yield.rs:24:20: 24:33
    let mut _7: &mut i32;                // in scope 0 at src/test/ui/generator/addassign-yield.rs:21:10: 24:10
    let _8: ();                          // in scope 0 at src/test/ui/generator/addassign-yield.rs:22:13: 22:18
    let mut _9: ();                      // in scope 0 at src/test/ui/generator/addassign-yield.rs:22:13: 22:18
    let mut _10: (i32, bool);            // in scope 0 at src/test/ui/generator/addassign-yield.rs:21:9: 26:10
    scope 1 {
        debug x => _3;                   // in scope 1 at src/test/ui/generator/addassign-yield.rs:20:13: 20:14
    }

    bb0: {
        StorageLive(_3);                 // scope 0 at src/test/ui/generator/addassign-yield.rs:20:13: 20:14
        StorageLive(_4);                 // scope 0 at src/test/ui/generator/addassign-yield.rs:20:22: 20:23
        _4 = const 0_i32;                // scope 0 at src/test/ui/generator/addassign-yield.rs:20:22: 20:23
        _3 = &mut _4;                    // scope 0 at src/test/ui/generator/addassign-yield.rs:20:17: 20:23
        StorageLive(_5);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:24:14: 26:10
        StorageLive(_6);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:24:20: 24:33
        _6 = String::new() -> bb1;       // scope 1 at src/test/ui/generator/addassign-yield.rs:24:20: 24:33
                                         // mir::Constant
                                         // + span: src/test/ui/generator/addassign-yield.rs:24:20: 24:31
                                         // + literal: Const { ty: fn() -> String {String::new}, val: Value(Scalar(<ZST>)) }
    }

    bb1: {
        _5 = const 0_i32;                // scope 1 at src/test/ui/generator/addassign-yield.rs:25:18: 25:19
        StorageLive(_7);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:21:10: 24:10
        StorageLive(_8);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:22:13: 22:18
        StorageLive(_9);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:22:13: 22:18
        Deinit(_9);                      // scope 1 at src/test/ui/generator/addassign-yield.rs:22:13: 22:18
        _8 = yield(move _9) -> [resume: bb2, drop: bb5]; // scope 1 at src/test/ui/generator/addassign-yield.rs:22:13: 22:18
    }

    bb2: {
        StorageDead(_9);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:22:17: 22:18
        StorageDead(_8);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:22:18: 22:19
        _7 = move _3;                    // scope 1 at src/test/ui/generator/addassign-yield.rs:23:13: 23:14
        _10 = CheckedAdd((*_7), _5);     // scope 1 at src/test/ui/generator/addassign-yield.rs:21:9: 26:10
        assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", (*_7), move _5) -> [success: bb3, unwind: bb7]; // scope 1 at src/test/ui/generator/addassign-yield.rs:21:9: 26:10
    }

    bb3: {
        (*_7) = move (_10.0: i32);       // scope 1 at src/test/ui/generator/addassign-yield.rs:21:9: 26:10
        StorageDead(_5);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:9: 26:10
        StorageDead(_7);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
        drop(_6) -> [return: bb4, unwind: bb8]; // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
    }

    bb4: {
        StorageDead(_6);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
        _0 = const ();                   // scope 0 at src/test/ui/generator/addassign-yield.rs:19:24: 27:6
        StorageDead(_4);                 // scope 0 at src/test/ui/generator/addassign-yield.rs:27:5: 27:6
        StorageDead(_3);                 // scope 0 at src/test/ui/generator/addassign-yield.rs:27:5: 27:6
        return;                          // scope 0 at src/test/ui/generator/addassign-yield.rs:27:6: 27:6
    }

    bb5: {
        StorageDead(_9);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:22:17: 22:18
        StorageDead(_8);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:22:18: 22:19
        StorageDead(_5);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:9: 26:10
        StorageDead(_7);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
        drop(_6) -> [return: bb6, unwind: bb8]; // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
    }

    bb6: {
        StorageDead(_6);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
        StorageDead(_4);                 // scope 0 at src/test/ui/generator/addassign-yield.rs:27:5: 27:6
        StorageDead(_3);                 // scope 0 at src/test/ui/generator/addassign-yield.rs:27:5: 27:6
        generator_drop;                  // scope 0 at src/test/ui/generator/addassign-yield.rs:19:14: 27:6
    }

    bb7 (cleanup): {
        StorageDead(_5);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:9: 26:10
        StorageDead(_7);                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
        drop(_6) -> bb8;                 // scope 1 at src/test/ui/generator/addassign-yield.rs:26:10: 26:11
    }

    bb8 (cleanup): {
        resume;                          // scope 0 at src/test/ui/generator/addassign-yield.rs:19:14: 27:6
    }
}