[libcxx-commits] [libcxx] [libc++][hardening] Rework how the assertion handler can be overridden. (PR #77883)

[Mark de Wever via libcxx-commits]

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@@ -0,0 +1,13 @@
+// -*- C++ -*-
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mordante wrote:

Please add the normal copyright header too.

https://github.com/llvm/llvm-project/pull/77883