[libcxx-commits] [libcxx] [libcxxabi] [libc++] Fix noexcept behaviour of operator new helper functions (PR #74337)

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azhan92 wrote:

> Also, the latest CI runs shows that your tests seem to be failing under the sanitizers. IDK if that shows a problem with your test or if it's unavoidable, so it would have to be investigated a bit.

I noticed that `sanitizer-new-delete` is unsupported for `libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/new.size.pass.cpp` and similar files so asan/msan will not call the new handler. Does this have something to do with these sanitizer failures? 

https://github.com/llvm/llvm-project/pull/74337