dblaikie added a comment.

In D118511#3373173 <https://reviews.llvm.org/D118511#3373173>, @tstellar wrote:

> In D118511#3373082 <https://reviews.llvm.org/D118511#3373082>, @dblaikie 
> wrote:
>
>> In D118511#3372728 <https://reviews.llvm.org/D118511#3372728>, @jyknight 
>> wrote:
>>
>>> In D118511#3371432 <https://reviews.llvm.org/D118511#3371432>, @tstellar 
>>> wrote:
>>>
>>>> I'm fine with reverting if you think this is the best solution.  I just 
>>>> would like to conclude soon so I can make the final release candidate.
>>>
>>> ISTM that reverting the ABI change in the 14.x branch makes sense, to avoid 
>>> ping-ponging the ABI for packed structs which would become non-packed 
>>> (breaking ABI) in 14.x and packed again (breaking ABI) in 
>>> https://reviews.llvm.org/D119051.
>>
>> Yeah - I think it'd be a pretty niche amount of code that'd churn like that, 
>> but doesn't seem super important to rush this either.
>>
>> @tstellar - can/do you want to revert this on the release branch yourself? 
>> Is that something I should do? Should I revert this on trunk (would be a bit 
>> awkward/more churny for users - maybe not a full revert, but one that leaves 
>> the new ABI version flag available as a no-op so users opting out don't need 
>> to remove the flag only to add it back in later) so it can be integrated to 
>> the release?
>
> I can revert in the release branch.  Is this the commit: 
> https://reviews.llvm.org/rG277123376ce08c98b07c154bf83e4092a5d4d3c6?

Yep, that's the one!

> It doesn't seem necessary to me to revert in the main branch, but I think 
> that can be your call.

Yeah, I'm leaning towards not reverting on main & hoping we can sort out the 
POD ABI issue.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118511/new/

https://reviews.llvm.org/D118511

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