EricWF added a comment.

In D59038#1422905 <https://reviews.llvm.org/D59038#1422905>, @hans wrote:

> In D59038#1422890 <https://reviews.llvm.org/D59038#1422890>, @rsmith wrote:
>
> > LGTM, and I think this is safe enough to take for Clang 8.
>
>
> Do you think the severity is high enough to spin another release candidate?


Yes. Very much so. It also effect template arguments, case statements, 
enumerators, and probably more.

> My concern is that since this didn't show up in testing until now, which I 
> guess is quite a while after it regressed, maybe it's not important enough to 
> delay the already late release?

The common case for hitting this bug requires using libstdc++ 7.0 or newer and 
C++17. This may be relatively rare for our release testers, who are probably 
either using libc++, targeting the system libstdc++, or not turning on C++17.
As libstdc++ 7.0 becomes more common and as more users move to C++17 people are 
going to run into this a lot.

> Also it sounds like it isn't completely fixed yet..

It is now.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59038/new/

https://reviews.llvm.org/D59038



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