[libcxx-commits] [libcxx] [libcxxabi] [llvm] [libc++][hardening] Introduce assertion semantics. (PR #149459)

[Louis Dionne via libcxx-commits]

================
@@ -24,14 +25,40 @@
 #  pragma GCC system_header
 #endif
 
-#if _LIBCPP_HARDENING_MODE == _LIBCPP_HARDENING_MODE_DEBUG
+#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
----------------
ldionne wrote:

```suggestion
#if defined(_LIBCPP_CXX03_LANG) && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
```

We can do this, since we've included `__config` at this point.

https://github.com/llvm/llvm-project/pull/149459