skan added a comment.


In D77628#1969856 <https://reviews.llvm.org/D77628#1969856>, @MaskRay wrote:

> This looks like it requires more thorough discussions, doesn't it? We will 
> also need discussions with the binutils side. We requested a GCC compiler 
> driver option long ago but we do not reach a consensus 
> (https://gcc.gnu.org/legacy-ml/gcc/2020-01/msg00358.html). IMHO the approval 
> was in haste. With all due respect, I think I've seen such hasty approval 
> (without any mentioning why such decisions are justifiable) and hasty commits 
> in this area before several times, so I'll click "Request Changes" just in 
> case of an accidental commit.


AFAICS, this patch adds `-mpad-max-prefix-size` for clang, I mentioned 
`-malign-branch-prefix-size` in the summary just to clarify it has different 
behaviour from GAS's option `-malign-branch-prefix-size`.  This patch has 
nothing to do with GCC compatibility, so I think the reasons for objection are 
not sufficient.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77628/new/

https://reviews.llvm.org/D77628



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