[clang-tools-extra] [clang-tidy] Add check 'bugprone-unsafe-to-allow-exceptions' (PR #176430)

[Balázs Kéri via cfe-commits]

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@@ -0,0 +1,54 @@
+// RUN: %check_clang_tidy -std=c++11,c++14 %s bugprone-unsafe-to-allow-exceptions %t -- -- -fexceptions
+// RUN: %check_clang_tidy -std=c++11,c++14 -check-suffix=,CUSTOMSWAP %s bugprone-unsafe-to-allow-exceptions %t -- \
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balazske wrote:

It works in any C++ version but the exception specification syntax was changed after C++17 and the file would not compile with later version (`throw(exception)` is not allowed in later C++).

https://github.com/llvm/llvm-project/pull/176430