ckennelly added a comment.

In D90392#2362118 <https://reviews.llvm.org/D90392#2362118>, @njames93 wrote:
> IIUC, this is handling the case where `Ptr.reset(new int)` which is different 
> to `Ptr.reset(new int())` because the former doesn't initialise the int while 
> the latter default(zero) initialises it.
> If that's correct I still think we should still warn about this case, but 
> don't suggest an auto-fix as that will change behaviour.
> Maybe put a note explaining why it can't be auto-fixed.

I disagree with printing a warning but not a fix.

These uses should migrate to 
`std::make_unique_for_overwrite`/`std::make_shared_for_overwrite`.  I am 
planning on sending a follow-up patch for that but want to avoid the existing 
make-unique/make-shared checks try to migrate default initialization use cases.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90392/new/

https://reviews.llvm.org/D90392

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