[clang] Reapply "[clang] Fix sema on ObjCLifetime conversion (#178524)" (PR #180817)

[Peter Rong via cfe-commits]

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@@ -278,6 +278,8 @@ Miscellaneous Clang Crashes Fixed
 - Fixed a crash when using loop hint with a value dependent argument inside a
   generic lambda. (#GH172289)
 - Fixed a crash in C++ overload resolution with ``_Atomic``-qualified argument types. (#GH170433)
+- Fixed an assertion failure in ObjC++ ARC when binding a ``__strong`` rvalue reference to a ``const __autoreleasing`` reference. (#GH178524)
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DataCorrupted wrote:

If we promote the language and use wider terms like "different lifetimes", would that be better? For example:

"Fixed an assertion failure in ObjC++ ARC when binding a rvalue reference to reference with different lifetimes"



https://github.com/llvm/llvm-project/pull/180817