ychen added a comment.

In D126341#3537675 <https://reviews.llvm.org/D126341#3537675>, @aaron.ballman 
wrote:

> Adding the language WG as a reviewer in case others have opinions.
>
>> The underlying problem is basically wg21.link/cwg362 which has no concensus 
>> yet.
>
> According to 
> https://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#362 this was 
> resolved in CD1 and we track it as being not applicable to us 
> (https://clang.llvm.org/cxx_dr_status.html#362). (Is our status actually 
> correct for this?)
>
>> Will the reviewers be supportive if I make the original cwg362 test case 
>> work too?
>
> To me, it depends on what it does to compile times and memory overhead for 
> the compiler when run on large projects. If the extra tracking is cheap and 
> doesn't really impact anything, I think it's reasonable to want to match 
> GCC's behavior. If it turns out this is expensive, I'm less keen on matching 
> GCC.

Thanks for the opinion @aaron.ballman. I think the cost would be low. I'll get 
back with some numbers.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126341/new/

https://reviews.llvm.org/D126341

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