commit 782e73050e3b1b5f8691663c583145bf8fcf8e17
author Julian Lettner <julian.lettner@apple.com> Tue Jan 05 16:09:46 2021 -0800
committer Copybara-Service <copybara-worker@google.com> Thu Jan 07 14:04:56 2021 -0800
tree e198ac777728e95ba5d408a2e95b9753c394abfa
parent 9059bd532d5fc5e43b367382285797454b1bc757

[sanitizer][Darwin] Suppress -Wno-non-virtual-dtor warning

Suppress the warning:
```
'fake_shared_weak_count' has virtual functions but non-virtual destructor [-Wnon-virtual-dtor]
```

The warning has been recently enabled [1], but the associated cleanup
missed this instance in Darwin code [2].

[1] 9c31e12609e1935eb84a2497ac08a49e3139859a
[2] d48f2d7c02743571075bb7812bb4c9e634e51ed1

Differential Revision: https://reviews.llvm.org/D94139

GitOrigin-RevId: 8b0bd54d0ec968df28ccc58bbb537a7b7c074ef2