[llvm] [libcxxabi] [libc++abi] Avoid raw calls to assert() in libc++abi (PR #71121)

[Louis Dionne via llvm-commits]

================
@@ -19,8 +19,8 @@
 #include "DemangleConfig.h"
 #include "StringViewExtras.h"
 #include "Utility.h"
+#include <__cxxabi_config.h>
----------------
ldionne wrote:

It looks like this indeed caused some harm :p https://buildkite.com/llvm-project/github-pull-requests/builds/12347#018b9218-f5be-43c7-b627-22c0b60a8bbe

Thanks for the heads up, I'll remove that part of the diff.

https://github.com/llvm/llvm-project/pull/71121