[clang] [clang][bytecode] Remove ConstDynamicRecursiveASTVisitor (PR #206715)

[via cfe-commits]

https://github.com/Sirraide commented:

Hmm, I am a bit worried that `children()` isn’t always sufficient; I’m generally in favour of removing AST visitors, but if you need to recursively find all instances of a particular statement... you probably want an AST visitor still...

https://github.com/llvm/llvm-project/pull/206715