diff --git a/llvm/lib/CodeGen/MLRegallocEvictAdvisor.cpp b/llvm/lib/CodeGen/MLRegallocEvictAdvisor.cpp
index f8ba224da7b8e..14781ebd424b5 100644
--- a/llvm/lib/CodeGen/MLRegallocEvictAdvisor.cpp
+++ b/llvm/lib/CodeGen/MLRegallocEvictAdvisor.cpp
@@ -666,6 +666,7 @@ MCRegister MLEvictAdvisor::tryFindEvictionCandidate(
     return MCRegister::NoRegister;
   }
   assert(CandidatePos < ValidPosLimit);
+  (void)ValidPosLimit;
   return Regs[CandidatePos].first;
 }