erichkeane added a subscriber: shafik.
erichkeane added a comment.

In D143803#4155345 <https://reviews.llvm.org/D143803#4155345>, @0xdc03 wrote:

> In D143803#4155266 <https://reviews.llvm.org/D143803#4155266>, @erichkeane 
> wrote:
>
>> I think updating that test with this additional note is the right thing to 
>> do.
>
> Will do, will also add checks for the fix-its.
>
>> As far as that note, saying 'mangled name' is perhaps not correct there, 
>> since what we really care is that it is the name-as-emitted to the linker. I 
>> don't have an idea on exactly what to call it.  If we could come up with a 
>> better phrase, it probably makes the diagnostic on the thing not being a 
>> function.
>
> First few that come to mind:
>
> - ABI-mangled symbol
> - Linked symbol
> - Externally-visible name

I don't think any of those are accurate with internal names.  ABI-mangled is 
incorrect as the ABI says nothing about these.  "Linked Symbol" isnt really 
accurate, as these aren't really 'linked'.  AND, they aren't 
externally-visible.  I wish I was better at this part :D  Perhaps @shafik might 
have a better ability to bikeshed here?

> It may also be worth splitting the diagnostic for `ifunc`s and `alias`es to 
> be something like:
>
> - `ifunc`: the function specified in an `ifunc` must refer to its <mangled 
> name>
> - `alias`: the function or variable specified in an `alias` must refer to its 
> <mangled name>
>
> I feel externally-visible name fits the best, though it doesn't really make 
> sense with internal linkage.



>> ALSO, it would be worth updating the error here to mention that it must 
>> point to a defined function, <x, y, Z> (where x,y,z are the things that it 
>> is allowed to target).
>
> Hmm, I do not really understand this point, could you please clarify it?

Exactly what you were saying above with the 'splitting the diagnostic', I was 
saying in less accurate words, that I'd prefer that.


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143803/new/

https://reviews.llvm.org/D143803

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