[clang-tools-extra] [clang-tidy] Fix some false negatives in `bugprone-throw-keyword-missing` (PR #173748)

[Victor Chernyakin via cfe-commits]

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@@ -49,7 +49,7 @@ struct RegularException {
 
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localspook wrote:

Can you elaborate what you mean by `DestructorTest`? What destructor is being tested?

https://github.com/llvm/llvm-project/pull/173748