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Fix #18604: next_power_of_two should panic on overflow #45754

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merged 3 commits into from
Nov 5, 2017
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Fix #18604: next_power_of_two should panic on overflow #45754

merged 3 commits into from
Nov 5, 2017

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@scottmcm scottmcm commented Nov 4, 2017

Fixes #18604

Is it possible to write a test for this? My experiments showed x.py test running in release mode, so my attempt at a #[should_panic] didn't work.

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r? @dtolnay

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Check out the test in #36372. Looks like there is a compile-flags magic comment.

@kennytm kennytm added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Nov 4, 2017
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kennytm commented Nov 4, 2017

Considering #36372, is it possible to use Add::add instead of #[rustc_inherit_overflow_checks]?

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dtolnay commented Nov 5, 2017

@bors r+

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bors commented Nov 5, 2017

📌 Commit 0d745af has been approved by dtolnay

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bors commented Nov 5, 2017

⌛ Testing commit 0d745af with merge 4efcc66...

bors added a commit that referenced this pull request Nov 5, 2017
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Auto merge of #45754 - scottmcm:checked-npot, r=dtolnay
4efcc66 
Fix #18604: next_power_of_two should panic on overflow

Fixes #18604

Is it possible to write a test for this?  My experiments showed `x.py test` running in release mode, so my attempt at a `#[should_panic]` didn't work.
@kennytm kennytm added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 5, 2017
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bors commented Nov 5, 2017

☀️ Test successful - status-appveyor, status-travis
Approved by: dtolnay
Pushing 4efcc66 to master...

@bors bors merged commit 0d745af into rust-lang:master Nov 5, 2017
@scottmcm scottmcm deleted the checked-npot branch November 6, 2017 01:43
@ecstatic-morse ecstatic-morse mentioned this pull request Feb 9, 2020
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