[libcxx-commits] [libcxx] [libcxxabi] [libc++] Introduce the notion of a minimum header version (PR #166074)

[Nikolas Klauser via libcxx-commits]

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@@ -25,4 +27,6 @@ class _LIBCPP_EXPORTED_FROM_ABI bad_any_cast : public bad_cast {
 
 const char* bad_any_cast::what() const noexcept { return "bad any cast"; }
 
+#endif
+
 _LIBCPP_END_NAMESPACE_LFTS
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philnik777 wrote:

The only case where you don't care is when you don't care about ABI stability at all, so I think setting `LIBCXX_ABI_UNSTABLE` should be the way to do that, but since that doesn't work yet setting a large number is probably the way to go for now.

https://github.com/llvm/llvm-project/pull/166074