[clang-tools-extra] [clang-tidy] Add new performance-use-starts-ends-with check (PR #72385)

[Carlos Galvez via cfe-commits]

carlosgalvezp wrote:

Apologies for the late reply, need to fix my mail filter so I don't miss the notifications!

IMHO either modernize or readability are suitable categories. Performance can vary/be negligible depending on context I suppose?

https://github.com/llvm/llvm-project/pull/72385