mirror of https://github.com/rust-lang/rust
88 lines
2.0 KiB
Diff
88 lines
2.0 KiB
Diff
- // MIR for `main` before ElaborateDrops
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+ // MIR for `main` after ElaborateDrops
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fn main() -> () {
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let mut _0: ();
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let _1: std::boxed::Box<S>;
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let mut _2: usize;
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let mut _3: usize;
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let mut _4: *mut u8;
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let mut _5: std::boxed::Box<S>;
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let _6: ();
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let mut _7: std::boxed::Box<S>;
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+ let mut _8: &mut std::boxed::Box<S>;
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+ let mut _9: ();
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scope 1 {
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debug x => _1;
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}
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bb0: {
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StorageLive(_1);
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_2 = SizeOf(S);
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_3 = AlignOf(S);
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_4 = alloc::alloc::exchange_malloc(move _2, move _3) -> [return: bb1, unwind continue];
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}
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bb1: {
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StorageLive(_5);
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_5 = ShallowInitBox(move _4, S);
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(*_5) = S::new() -> [return: bb2, unwind: bb8];
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}
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bb2: {
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_1 = move _5;
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- drop(_5) -> [return: bb3, unwind continue];
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+ goto -> bb3;
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}
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bb3: {
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StorageDead(_5);
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StorageLive(_6);
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StorageLive(_7);
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_7 = move _1;
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_6 = std::mem::drop::<Box<S>>(move _7) -> [return: bb4, unwind: bb6];
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}
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bb4: {
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StorageDead(_7);
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StorageDead(_6);
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_0 = const ();
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- drop(_1) -> [return: bb5, unwind continue];
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+ goto -> bb5;
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}
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bb5: {
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StorageDead(_1);
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return;
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}
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bb6 (cleanup): {
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- drop(_7) -> [return: bb7, unwind terminate(cleanup)];
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+ goto -> bb7;
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}
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bb7 (cleanup): {
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- drop(_1) -> [return: bb9, unwind terminate(cleanup)];
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+ goto -> bb9;
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}
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bb8 (cleanup): {
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- drop(_5) -> [return: bb9, unwind terminate(cleanup)];
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+ goto -> bb11;
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}
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bb9 (cleanup): {
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resume;
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+ }
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+
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+ bb10 (cleanup): {
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+ _8 = &mut _5;
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+ _9 = <Box<S> as Drop>::drop(move _8) -> [return: bb9, unwind terminate(cleanup)];
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+ }
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+
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+ bb11 (cleanup): {
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+ goto -> bb10;
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}
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}
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