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

[Louis Dionne via libcxx-commits]

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@@ -14,6 +14,8 @@ const char* bad_any_cast::what() const noexcept { return "bad any cast"; }
 
 #include <__config>
 
+#if _LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION < 7
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ldionne wrote:

Once we have the ABI framework we just discussed better defined, these changes totally make sense as almost NFCs.

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