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Add drop intrinsic trait #3061

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brson opened this issue Jul 31, 2012 · 1 comment
Closed

Add drop intrinsic trait #3061

brson opened this issue Jul 31, 2012 · 1 comment
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A-codegen Area: Code generation A-type-system Area: Type system
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0.5

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@brson
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brson commented Jul 31, 2012

This will be the way to create types with destructors.
@catamorphism catamorphism mentioned this issue Aug 2, 2012
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@catamorphism
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Done.

bors pushed a commit to rust-lang-ci/rust that referenced this issue May 15, 2021
@nrc
Merge pull request rust-lang#3061 from mehcode/feature/default-edition
4c1b0c2 
Fix help message for edition config option
RalfJung pushed a commit to RalfJung/rust that referenced this issue Sep 25, 2023
@bors
Auto merge of rust-lang#3061 - rust-lang:rustup-2023-09-15, r=saethlin
0398759 
Automatic sync from rustc
celinval pushed a commit to celinval/rust-dev that referenced this issue Jun 4, 2024
@karkhaz
Emit dead goto-instructions on MIR StatementDead (rust-lang#3063)
0cc4b24 
This commit adds a new `Dead` goto-instruction that gets codegened
whenever Kani sees a MIR `StatementDead` statement. This new
goto instruction corresponds to the CBMC [code_deadt](
https://diffblue.github.io/cbmc/classcode__deadt.html) statement
that marks the point where a local variable goes out of scope.

This new instruction is needed to detect invalid accesses of dead local
variables.

The commit also codegens a CBMC `Decl` instruction upon seeing a MIR
StatementLive. This ensures that variables that go out of scope at the
end of a loop are not falsely marked as having a dead dereference when
they are accessed on the next loop iteration.

Resolves rust-lang#3061.

By submitting this pull request, I confirm that my contribution is made under
the terms of the Apache 2.0 and MIT licenses.
celinval pushed a commit to celinval/rust-dev that referenced this issue Jun 4, 2024
@zhassan-aws
Add a multi-crate test for rust-lang#3061 (rust-lang#3076)
6dfe0a0 
This is a follow-up on rust-lang#3063 that adds a test with multiple crates to
make sure this scenario is correctly handled and that Kani reports the
bug.

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
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@brson @catamorphism