[clang-tools-extra] [clang-tidy] Add performance-expensive-value-or check (PR #200166)

[Yanzuo Liu via cfe-commits]

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/200166 at github.com>


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@@ -449,3 +452,5 @@ struct in_place_t {};
 constexpr in_place_t in_place;
 
 } // namespace std
+
+#endif // _CLANG_TIDY_TEST_STD_TYPE_TRAITS_H
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zwuis wrote:

Add a new line at EOF.

https://github.com/llvm/llvm-project/pull/200166