[clang-tools-extra] [clang-tidy] Do not emit file path for anonymous enums in `readability-enum-initial-value` check (PR #112496)

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


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git-clang-format --diff 4ddea298e60c31d0995c06189a592895d2ad512b be0bee7948a8a6394ba93df619d76048847c1ca8 --extensions c,cpp -- clang-tools-extra/clang-tidy/readability/EnumInitialValueCheck.cpp clang-tools-extra/test/clang-tidy/checkers/readability/enum-initial-value.c
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View the diff from clang-format here.
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``````````diff
diff --git a/clang-tools-extra/clang-tidy/readability/EnumInitialValueCheck.cpp b/clang-tools-extra/clang-tidy/readability/EnumInitialValueCheck.cpp
index 5a48b103b9..9c000df132 100644
--- a/clang-tools-extra/clang-tidy/readability/EnumInitialValueCheck.cpp
+++ b/clang-tools-extra/clang-tidy/readability/EnumInitialValueCheck.cpp
@@ -170,9 +170,10 @@ void EnumInitialValueCheck::check(const MatchFinder::MatchResult &Result) {
 
   if (const auto *Enum = Result.Nodes.getNodeAs<EnumDecl>("inconsistent")) {
     DiagnosticBuilder Diag =
-        diag(Enum->getBeginLoc(),
-             "initial values in enum '%0' are not consistent, consider explicit "
-             "initialization of all, none or only the first enumerator")
+        diag(
+            Enum->getBeginLoc(),
+            "initial values in enum '%0' are not consistent, consider explicit "
+            "initialization of all, none or only the first enumerator")
         << getName(Enum);
     for (const EnumConstantDecl *ECD : Enum->enumerators())
       if (ECD->getInitExpr() == nullptr) {

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https://github.com/llvm/llvm-project/pull/112496