alexfh added a comment.

In https://reviews.llvm.org/D25659#589081, @malcolm.parsons wrote:

> In https://reviews.llvm.org/D25659#588663, @alexfh wrote:
>
> > In https://reviews.llvm.org/D25659#588658, @alexfh wrote:
> >
> > > I think, silently choosing one of the checks may be confusing and 
> > > counter-intuitive. Should we just warn in case we see the same check 
> > > enabled by multiple aliases?
> >
> >
> > And by "aliases" I mean different names under which the check is 
> > registered. I'm not sure I see the benefit of introducing a separate 
> > concept and a separate API for registering checks under multiple names. 
> > This introduces another sort of dynamic binding, which we have to have good 
> > reasons for.
>
>
> Is using `typeid()` on the constructed checks OK?


I don't think rtti is allowed in LLVM. But we can find a solution, I believe. 
The important thing is to decide what behavior is desired.


https://reviews.llvm.org/D25659



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