[clang] [clang][Sema] deleted overriding function can have lax except spec (PR #76248)

[Vlad Serebrennikov via cfe-commits]

https://github.com/Endilll requested changes to this pull request.

You need to run `clang/www/make_cxx_drs` script in order to make `cxx_dr_status.html` reflect that CWG1351 is now implemented.

https://github.com/llvm/llvm-project/pull/76248