[clang] [Clang] Add __builtin_is_within_lifetime to implement P2641R4's std::is_within_lifetime (PR #91895)

[via cfe-commits]

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@@ -169,14 +169,14 @@ def note_constexpr_this : Note<
 def access_kind : TextSubstitution<
   "%select{read of|read of|assignment to|increment of|decrement of|"
   "member call on|dynamic_cast of|typeid applied to|construction of|"
-  "destruction of}0">;
+  "destruction of|read of}0">;
 def access_kind_subobject : TextSubstitution<
   "%select{read of|read of|assignment to|increment of|decrement of|"
   "member call on|dynamic_cast of|typeid applied to|"
-  "construction of subobject of|destruction of}0">;
+  "construction of subobject of|destruction of|read of}0">;
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cor3ntin wrote:

Oh right. that's good enough then!

https://github.com/llvm/llvm-project/pull/91895