[PATCH] D53049: Annotate scoped_lock as with scoped_lockable attribute

[Aaron Puchert via Phabricator]

aaronpuchert added a comment.

In https://reviews.llvm.org/D53049#1260836, @NoQ wrote:

> Hmm, this seems to be causing buildbot failures, could you take a look?


Hmm, `std::scoped_lock` is only available with C++17. I'll put an `#ifdef` around it if you don't mind.


Repository:
  rL LLVM

https://reviews.llvm.org/D53049