ztamas added a comment.

In https://reviews.llvm.org/D53974#1285930, @Szelethus wrote:

> In https://reviews.llvm.org/D53974#1283759, @ZaMaZaN4iK wrote:
>
> > Hmm, i thought Clang has some warning for this, but I was wrong... Did you 
> > think to implement this check as Clang warning?
>
>
> That is an interesting point actually -- maybe it'd be worth doing that, and 
> if more powerful analysis is required, Static Analyzer would be the next 
> step. I haven't actually implemented any 'regular' clang warning, so I'm not 
> sure.


Well, I'm implementing it as a clang-tidy check now. I guess in the future 
anyone can replace it with a clang warning if he/she can implement it 
effectively (e.g. no false positives).

My first impression was that having something accepted as clang static analyzer 
check takes ages and so I expect that implementing something as a clang warning 
takes even more time. My impression is based on bugzilla activity and on some 
read review history. It seems to me it's not rare to have comments like: "Ping, 
let's not abandon this change" or the author says that he/she has no more time 
for further work, etc. However clang-tidy seems more progressive. So I prefer 
to have something as a clang-tidy check (and actually get it in the upstream 
tool) than implementing it as a clang warning (if it can be implemented 
effectively at all), wait for a year of review and most probably abandon the 
change. Of course, it's just a first impression, but why should I take the 
risk. I think this clang-tidy check is powerful, so useful to have it.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D53974



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