ChuanqiXu added a comment.

In D153003#4458366 <https://reviews.llvm.org/D153003#4458366>, @Hahnfeld wrote:

> In D153003#4458323 <https://reviews.llvm.org/D153003#4458323>, @ChuanqiXu 
> wrote:
>
>> In D153003#4456595 <https://reviews.llvm.org/D153003#4456595>, @rsmith wrote:
>>
>>> I think the behavior change for the testcase here is correct, though I'm 
>>> not sure that the patch is getting that behaviour change in the right way. 
>>> Per [temp.type]/1.4 (http://eel.is/c++draft/temp.type#1.4),
>>>
>>>> Two template-ids are the same if [...] their corresponding template 
>>>> template-arguments refer to the same template.
>>>
>>> so `B<A>` and `B<NS::A>` are the same type. The stricter "same sequence of 
>>> tokens" rule doesn't apply here, because using-declarations are not 
>>> definitions.
>>
>> Got it. Thanks for your commenting. I can't reopen this page. So I file an 
>> issue here https://github.com/llvm/llvm-project/issues/63595. @Hahnfeld you 
>> can still work on this by following the @rsmith 's suggestion  if you're 
>> still interested. Or I'd like to take it.
>
> You mean re-open this review? Which suggestions exactly?

It should be:

> But that also suggests that ODR hashing should not be visiting these template 
> arguments in using-declarations at all, because the ODR does not apply to the 
> types specified in a namespace-scope using-declaration.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153003/new/

https://reviews.llvm.org/D153003

_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to