[clang-tools-extra] Add support for renaming objc methods, even those with multiple selector pieces (PR #76466)

[kadir çetinkaya via cfe-commits]

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@@ -338,6 +338,10 @@ inline bool isReservedName(llvm::StringRef Name) {
 SourceLocation translatePreamblePatchLocation(SourceLocation Loc,
                                               const SourceManager &SM);
 
+clangd::Range tokenRangeForLoc(SourceLocation TokLoc,
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kadircet wrote:

this isn't used outside rename.cpp, let's move it there?

https://github.com/llvm/llvm-project/pull/76466