[llvm] [ObjCARC] Allow removal of autoreleasepools (PR #85493)

[Akira Hatanaka via llvm-commits]

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@@ -615,15 +617,15 @@ ObjCARCOpt::OptimizeRetainRVCall(Function &F, Instruction *RetainRV) {
       while (IsNoopInstruction(&*I))
         ++I;
       if (&*I == RetainRV)
-        return false;
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ahatanak wrote:

Can you make changes to `OptimizeRetainRVCall` in a separate patch? The function always returns `false`, so it'll be a NFC patch.

https://github.com/llvm/llvm-project/pull/85493