MaskRay marked 3 inline comments as done.
MaskRay added a comment.

In D149193#4328452 <https://reviews.llvm.org/D149193#4328452>, @dblaikie wrote:

>> I agree that for most(all?) split DWARF users will not see any difference 
>> since they always use -c -o and don't combine compilation and linking in one 
>> command.
>
> Given that, I'm not sure that this is worth implementing, but if it suits you 
> I guess.

The split DWARF users are about production users.

There are command line users who do `clang -g -gsplit-dwarf a.c b.c -o x` and I 
have heard about questions that the `.dwo` files go to strange directories 
(usually `/tmp`) quite a few times.
Fixing `-gsplit-dwarf` helps set a baseline for other options like 
`-ftime-trace` (https://github.com/llvm/llvm-project/issues/57285).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149193/new/

https://reviews.llvm.org/D149193

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