Silence unused variable warnings.

llvm-svn: 59841
diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index 9fe42f6..ecfebc5 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -678,6 +678,7 @@
       if (TargetRegisterInfo::isVirtualRegister(Reg)) {
         bool removed = getVarInfo(Reg).removeKill(MI);
         assert(removed && "kill not in register's VarInfo?");
+        removed = true;
       }
     }
   }