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Final borrow #912

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merged 17 commits into from
Jan 29, 2024
Merged

Final borrow #912

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8a37de4
Make borrows non extensible
arnaudgolfouse Oct 26, 2023
e70ae74
Get back to concrete `current/final` fields, with an `addr` field
arnaudgolfouse Nov 3, 2023
5cf2f2d
Remove the make_new_addr call on reborrows
arnaudgolfouse Nov 24, 2023
1b60f61
Inherit the third field on "final" reborrows
arnaudgolfouse Nov 27, 2023
c6be059
Change take_first_mut's specification
arnaudgolfouse Dec 11, 2023
e43758d
Reorder `use` statements at the start of 'term.rs'
arnaudgolfouse Dec 20, 2023
49472ee
Remove unfit license comments
arnaudgolfouse Dec 21, 2023
c644837
Use rustc's API for iterating over superplaces
arnaudgolfouse Jan 3, 2024
24236fd
Copy rustc's API for determining if two places are in conflict
arnaudgolfouse Jan 3, 2024
c5d1764
Handle `Box` in the final borrows analysis
arnaudgolfouse Jan 8, 2024
915c061
Don't panic on indirection
arnaudgolfouse Jan 11, 2024
9032bd7
Fix gen/kill when mutating the borrow
arnaudgolfouse Jan 11, 2024
863d06f
Change some tests to pass with final borrows
arnaudgolfouse Dec 11, 2023
1dde035
Fix handling of logical indexing with final borrows
arnaudgolfouse Jan 20, 2024
f9657dd
Update test proofs
arnaudgolfouse Jan 20, 2024
a9d39b2
Add tests for final borrows
arnaudgolfouse Jan 20, 2024
7adfb17
Formatting
arnaudgolfouse Jan 29, 2024
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2 changes: 1 addition & 1 deletion creusot-contracts/src/std/slice.rs
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Expand Up @@ -281,7 +281,7 @@ extern_spec! {
(**self)@.len() > 0 && (^*self)@.len() > 0 &&
(*^self)@ == (**self)@.tail() && (^^self)@ == (^*self)@.tail()
}
None => ^self == * self && (**self)@.len() == 0
None => (*^self)@ == Seq::EMPTY && (^*self)@ == Seq::EMPTY && (**self)@ == Seq::EMPTY && (^^self)@ == Seq::EMPTY
})]
fn take_first_mut<'a>(self_: &mut &'a mut [T]) -> Option<&'a mut T>;

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2 changes: 2 additions & 0 deletions creusot/src/analysis.rs
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Expand Up @@ -12,11 +12,13 @@ use rustc_middle::mir::{
mod frozen_locals;
mod init_locals;
mod liveness_no_drop;
mod not_final_places;
mod uninit_locals;

pub use frozen_locals::*;
pub use init_locals::*;
pub use liveness_no_drop::*;
pub use not_final_places::NotFinalPlaces;
pub use uninit_locals::*;

pub struct NeverLive(BitSet<Local>);
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