[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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@@ -1187,6 +1187,16 @@ bool fromJSON(const llvm::json::Value &Params, RenameParams &R,
          O.map("position", R.position) && O.map("newName", R.newName);
 }
 
+llvm::json::Value toJSON(const PrepareRenameResult &PRR) {
+  if (!PRR.placeholder) {
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kadircet wrote:

nit: braces

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