[clang] [clang-format] Harden star and amp annotation (PR #212856)

[via cfe-commits]

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@@ -2799,10 +2803,21 @@ bool UnwrappedLineParser::parseParens(TokenType StarAndAmpTokenType,
     case tok::kw_requires:
       parseRequiresExpression();
       break;
+    case tok::less:
+      // We have here no clue wether this is a less, or a template opener, opt
----------------
owenca wrote:

```suggestion
      // We have here no clue whether this is a less, or a template opener, opt
```

https://github.com/llvm/llvm-project/pull/212856