[llvm] [IPSCCP] Infer attributes on arguments (PR #107114)

[Reid Kleckner via llvm-commits]

rnk wrote:

This is a late breaking comment, but RecursiveASTVisitor is awful, and we should ban new instantiations of it in the Clang binary ASAP. cc @AaronBallman 

https://github.com/llvm/llvm-project/pull/107114