diff --git a/llvm/lib/CodeGen/LiveDebugValues.cpp b/llvm/lib/CodeGen/LiveDebugValues.cpp
index ea5512f..48f3616 100644
--- a/llvm/lib/CodeGen/LiveDebugValues.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues.cpp
@@ -1172,6 +1172,7 @@
                      DebugInstr->getDesc(), IsIndirect, Reg,
                      DebugInstr->getDebugVariable(), DebugExpr);
       }
+      (void)MI;
       LLVM_DEBUG(dbgs() << "Inserted: "; MI->dump(););
     }
   }