[clang] [clang-format] Align trailing comments for function parameters (PR #164458)

[via cfe-commits]

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@@ -507,7 +507,7 @@ static unsigned AlignTokens(const FormatStyle &Style, F &&Matches,
   };
 
   unsigned I = StartAt;
-  unsigned E = Changes.size();
+  auto E = Changes.size();
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owenca wrote:

`const auto` as suggested?

https://github.com/llvm/llvm-project/pull/164458