[PATCH] D117460: [clang-tidy][NFC] Reduce map lookups in IncludeSorter

[Nathan James via Phabricator via cfe-commits]

njames93 added a comment.

In D117460#3248613 <https://reviews.llvm.org/D117460#3248613>, @alexfh wrote:

> I wonder what motivated the patch. Is this a performance optimization? If so, do you have any measurements?

I was doing some work on IncludeInserter and just thought, this seems unnecessary. It'd be hard to microbenchmark this, but I'll see what I can rustle up.


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