Merge commit '36ac72f4e3e4' from llvm.org/main into next

Author: git apple-llvm automerger

llvm/lib/Transforms/IPO/MemProfContextDisambiguation.cpp

@@ -1642,7 +1642,7 @@ void CallsiteContextGraph<DerivedCCG, FuncTy, CallTy>::
   // this entry.
   DenseSet<uint32_t> LastNodeContextIds = LastNode->getContextIds();
 
-  bool PrevIterCreatedNode = false;
+  [[maybe_unused]] bool PrevIterCreatedNode = false;
   bool CreatedNode = false;
   for (unsigned I = 0; I < Calls.size();
        I++, PrevIterCreatedNode = CreatedNode) {