[clang-tools-extra] Clang-Tidy: Fix `cppcoreguidelines-use-enum-class` anonymous enum bug (PR #215352)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang-tools-extra/clang-tidy/cppcoreguidelines/UseEnumClassCheck.cpp --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang-tools-extra/clang-tidy/cppcoreguidelines/UseEnumClassCheck.cpp b/clang-tools-extra/clang-tidy/cppcoreguidelines/UseEnumClassCheck.cpp
index 8ed64cbb9..9d3915e50 100644
--- a/clang-tools-extra/clang-tidy/cppcoreguidelines/UseEnumClassCheck.cpp
+++ b/clang-tools-extra/clang-tidy/cppcoreguidelines/UseEnumClassCheck.cpp
@@ -26,10 +26,10 @@ void UseEnumClassCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
 }
 
 void UseEnumClassCheck::registerMatchers(MatchFinder *Finder) {
-  const auto EnumDecl =
-      IgnoreUnscopedEnumsInClasses
-          ? enumDecl(unless(isScoped()), unless(hasName("")), unless(hasParent(recordDecl())))
-          : enumDecl(unless(isScoped()), unless(hasName("")));
+  const auto EnumDecl = IgnoreUnscopedEnumsInClasses
+                            ? enumDecl(unless(isScoped()), unless(hasName("")),
+                                       unless(hasParent(recordDecl())))
+                            : enumDecl(unless(isScoped()), unless(hasName("")));
   Finder->addMatcher(EnumDecl.bind("unscoped_enum"), this);
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/215352