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- // MIR for `main` before Derefer
+ // MIR for `main` after Derefer
fn main() -> () {
let mut _0: ();
let _1: std::boxed::Box<std::boxed::Box<u32>>;
let mut _2: std::boxed::Box<u32>;
bb0: {
StorageLive(_1);
StorageLive(_2);
_2 = f() -> [return: bb1, unwind: bb5];
}
bb1: {
_1 = Box::<Box<u32>>::new(move _2) -> [return: bb2, unwind: bb4];
}
bb2: {
StorageDead(_2);
drop(_1) -> [return: bb3, unwind: bb5];
}
bb3: {
StorageDead(_1);
_0 = const ();
return;
}
bb4 (cleanup): {
drop(_2) -> [return: bb5, unwind terminate];
}
bb5 (cleanup): {
resume;
}
}
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