[clang-tools-extra] [clang-tidy] Preserve comments in `readability-use-std-min-max` (PR #169908)

[via cfe-commits]

================
@@ -172,13 +172,52 @@ void UseStdMinMaxCheck::check(const MatchFinder::MatchResult &Result) {
 
   auto ReplaceAndDiagnose = [&](const llvm::StringRef FunctionName) {
     const SourceManager &Source = *Result.SourceManager;
+    llvm::SmallString<64> Comment;
+
+    const auto AppendNormalized = [&](llvm::StringRef Text) {
+      Text = Text.ltrim();
+      if (!Text.empty()) {
+        if (!Comment.empty())
+          Comment += " ";
+        Comment += Text;
+      }
+    };
+
+    AppendNormalized(Lexer::getSourceText(
----------------
zeyi2 wrote:

This part captures:
- `if (cond) // Comment A`
- `if (cond) /* Comment A */ { ... }`
- `if (cond) /* Comment A */ x = y;`


https://github.com/llvm/llvm-project/pull/169908