MaskRay added a comment.

In D102568#2769401 <https://reviews.llvm.org/D102568#2769401>, @dblaikie wrote:

> Ah, thanks for the history. Yeah, still not sure those bugs are on equal 
> footing - if the patch had been in for a few months before musl was fixed (If 
> they're interested in building from LLVM head - wonder why it took so long & 
> if they aren't, then it doesn't seem like we need to rush to fix this/keep 
> the fix in tree if backing it out and considering how to support both new-ish 
> (self-imposed due to the -mimplicit-it= change) and existing (mingw arm) use 
> cases can be handled gracefully and have it in the next LLVM release or the 
> like).

The original driver option was added in 2016-07. Some projects may accrue some 
-mimplicit-it usage singe then.

The option -Wa,-mimplicit-it was added in 2021-02. @raj.khem noticed the issue 
in 2021-05. Perhaps that's not too long ? :)

> But sounds like there's some possible both-use-cases-work path forward, which 
> is good to see.

Yes. Seems that @mstorsjo has started working on making all the use cases work.
With this, I am certainly happy that we can retain the options for a couple of 
releases.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102568/new/

https://reviews.llvm.org/D102568

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