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@mbrubeck mbrubeck commented Jan 8, 2021

Fixes #252.

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mbrubeck commented Jan 8, 2021

Pushed a different version of the fix. This is a more invasive change, but it leaves the code a bit simpler and much easier to reason about.

The key observation is that the guard is no longer needed after we fill up the initial lower_size_bound slots of reserved space. While looping through any surplus items from the iterator, the SmallVec is in a valid state at the start and end of each iteration.

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r=me with that change unless I'm missing something.

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mbrubeck commented Jan 8, 2021

@bors-servo r=emilio

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📌 Commit 9998ba0 has been approved by emilio

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⌛ Testing commit 9998ba0 with merge 4e53e07...

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☀️ Test successful - checks-travis
Approved by: emilio
Pushing 4e53e07 to master...

@bors-servo bors-servo merged commit 4e53e07 into servo:master Jan 8, 2021
mbrubeck added a commit that referenced this pull request Jan 8, 2021
Backport of #254 to the 0.6 branch.  Fixes #253.
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Buffer overflow in insert_many()

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