[clang] [clang] Introduce [[clang::lifetime_capture_by(X)]] (PR #111499)

[Gábor Horváth via cfe-commits]

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@@ -45,10 +48,14 @@ enum LifetimeKind {
   /// a default member initializer), the program is ill-formed.
   LK_MemInitializer,
 
-  /// The lifetime of a temporary bound to this entity probably ends too soon,
+  /// The lifetime of a temporary bound to this entity may end too soon,
   /// because the entity is a pointer and we assign the address of a temporary
   /// object to it.
   LK_Assignment,
+
+  /// The lifetime of a temporary bound to this entity may end too soon,
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Xazax-hun wrote:

Probably out of scope for this PR, but are these comments up to date given that we can also warn when the address of a local escapes the function (as opposed to just temporaries)?

https://github.com/llvm/llvm-project/pull/111499