[clang] [LifetimeSafety] Add warning for member functions returning field origins (PR #229784)

[Utkarsh Saxena via cfe-commits]

================
@@ -11148,6 +11148,14 @@ def warn_lifetime_safety_noescape_escapes
       InGroup<LifetimeSafetyNoescape>,
       DefaultIgnore;
 
+def warn_lifetime_safety_field_origin_escape
+    : Warning<"return value depends on the lifetime of the object referenced by %0, which cannot be expressed with [[clang::lifetimebound]]">,
----------------
usx95 wrote:

Done. PTAL.

https://github.com/llvm/llvm-project/pull/229784