================
@@ -19,16 +19,22 @@ namespace clang::tidy::bugprone {
 
 namespace {
 
-AST_MATCHER(EnumDecl, isCompleteAndHasNoZeroValue) {
+AST_MATCHER(EnumDecl, isCompleteNonEmptyAndHasNoZeroValue) {
   const EnumDecl *Definition = Node.getDefinition();
   return Definition && Node.isComplete() &&
+         Definition->enumerator_begin() != Definition->enumerator_end() &&
----------------
vbvictor wrote:

nit: maybe `Definition->enumerators().empty()` is a bit more readable.
it has `enumerator_begin != enumerator_end` under the hood

https://github.com/llvm/llvm-project/pull/131407
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