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Changed _Unfancy_maybe_null() to _Unfancy() #2508

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merged 2 commits into from
Feb 1, 2022

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DadTech
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@DadTech DadTech commented Jan 29, 2022

Fixes #2470 and changes instances of _Unfancy_maybe_null() to _Unfancy().

@DadTech DadTech requested a review from a team as a code owner January 29, 2022 00:22
@StephanTLavavej StephanTLavavej added the enhancement Something can be improved label Jan 29, 2022
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I looked at all of the codepaths that can call this function, and I don't believe that any of them can pass null pointers now, so this appears to be completely correct. 🎉

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By the way, I've edited your PR description to say "Fixes" instead of "Addresses". This activates GitHub's close/fix/resolve syntax, which will automatically close the issue when this PR is merged. (Otherwise it's just a "mention" without auto-closing behavior.)

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@CaseyCarter CaseyCarter left a comment

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LGTM as well. I pushed a small change to document the non-null preconditions with _STL_INTERNAL_CHECK so they'll be nicely visible.

@StephanTLavavej StephanTLavavej self-assigned this Jan 31, 2022
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed.

@StephanTLavavej StephanTLavavej merged commit b11945b into microsoft:main Feb 1, 2022
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Thanks for improving this code, and congratulations on your first microsoft/STL pull request! 😸 🎉 🚀

This change will appear in VS 2022 17.2 Preview 2 along with the rest of the ASan <vector> changes.

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<vector>: _Apply_annotation() should be able to _Unfancy()
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