[PATCH] D68914: [clang-format] Remove duplciate code from Invalid BOM detection

[Manuel Klimek via Phabricator via cfe-commits]

klimek added a comment.

In D68914#1709002 <https://reviews.llvm.org/D68914#1709002>, @owenpan wrote:

> Here are some `const StringRef &` examples <https://github.com/llvm/llvm-project/blob/master/clang/lib/StaticAnalyzer/Checkers/IteratorChecker.cpp#L229>.


StringRef already is a const pointer type, so the idiomatic way is to pass it by value.


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