[clang] [C++20] Deleting destructors can be noexcept (PR #118687)

[Shafik Yaghmour via cfe-commits]

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@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -fcxx-exceptions -Wno-unevaluated-expression -std=c++20 %s
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shafik wrote:

We already have 

https://github.com/llvm/llvm-project/blob/main/clang/test/CXX/expr/expr.unary/expr.unary.noexcept/sema.cpp

maybe the test is better there and wrapped in a `GH118660` namespace?

https://github.com/llvm/llvm-project/pull/118687