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Rc: remove unused allocation and fix segfault in Weak::new() #51901

Merged
merged 5 commits into from
Jul 7, 2018
Merged

Rc: remove unused allocation and fix segfault in Weak::new() #51901

merged 5 commits into from
Jul 7, 2018

Commits on Jul 6, 2018

  1. Use an aligned dangling pointer in Weak::new, rather than address 1

    @SimonSapin
    SimonSapin committed Jul 6, 2018
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  2. Rc: remove unused allocation from Weak::new() 

    Same as #50357
    @SimonSapin
    SimonSapin committed Jul 6, 2018
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  3. Add a test for Weak::new() not crashing for uninhabited types

    @SimonSapin
    SimonSapin committed Jul 6, 2018
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  4. Add some unit tests for dangling Weak references

    @SimonSapin
    SimonSapin committed Jul 6, 2018
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  5. Fix is_dangling import when Arc is #[cfg]’ed out

    @SimonSapin
    SimonSapin committed Jul 6, 2018
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