[clang] [lld] [llvm] [LTO] enable `ObjCARCContractPass` only on optimized build (PR #101114)

[Nikita Popov via cfe-commits]

================
@@ -730,6 +740,7 @@ INITIALIZE_PASS_END(ObjCARCContractLegacyPass, 
"objc-arc-contract",
 void ObjCARCContractLegacyPass::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<AAResultsWrapperPass>();
   AU.addRequired<DominatorTreeWrapperPass>();
+  AU.addPreserved<DominatorTreeWrapperPass>();
----------------
nikic wrote:

Can you also add AAResultsWrapper and BasicAAWrapperPass here? I think that 
should avoid some more pipeline diffs.

https://github.com/llvm/llvm-project/pull/101114
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