[clang-tools-extra] [clang-tidy]avoid bugprone-unused-return-value false positive for assignment operator overloading (PR #84489)

[Julian Schmidt via cfe-commits]

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@@ -28,6 +30,11 @@ AST_MATCHER_P(FunctionDecl, isInstantiatedFrom, Matcher<FunctionDecl>,
   return InnerMatcher.matches(InstantiatedFrom ? *InstantiatedFrom : Node,
                               Finder, Builder);
 }
+
+AST_MATCHER_P(CXXMethodDecl, isOperatorOverloading,
+              llvm::SmallVector<OverloadedOperatorKind>, kinds) {
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5chmidti wrote:

`Kinds`

https://github.com/llvm/llvm-project/pull/84489