[libcxx-commits] [PATCH] D62453: Regex backreference [3/3] Validate backreferences in the constructor.

[Marshall Clow via Phabricator via libcxx-commits]

mclow.lists added a comment.

I think you need more diverse tests here.  
What about a reference to a pattern that hasn't been defined yet? Is that valid? Something like `"\\1(cat)"`


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D62453/new/

https://reviews.llvm.org/D62453