aaron.ballman accepted this revision.
aaron.ballman added a comment.

In D81272#2218246 <https://reviews.llvm.org/D81272#2218246>, @whisperity wrote:

> In D81272#2218175 <https://reviews.llvm.org/D81272#2218175>, @aaron.ballman 
> wrote:
>
>> While I agree with your observation about data and flow sensitivity, I 
>> approved on the belief that the check as-is provides enough utility to 
>> warrant adding it as-is. If someone wants to improve the check into being a 
>> CSA check, we can always deprecate this one at that point. However, if there 
>> are strong opinions that the check should start out as a CSA check because 
>> it requires that sensitivity for your needs, now's a good time to bring up 
>> those concerns.
>
> It's generally harder to create big logic mistakes when it comes to more 
> complex expressions, assuming the user does't copy-paste (which I might have 
> done, in the above example). We do not need to solve //every// potentially 
> equivalent conditional (it is unsolvable in the generic case anyways). I'm 
> sure this check can be improved later with handling trivial comparisons (such 
> as standard library `int` results not being 0, -1, etc.).

Great, then we're on the same page!

The new documentation and test cases LG, so re-approving. Thank you!


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81272/new/

https://reviews.llvm.org/D81272

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