Silence a bunch (but not all) "variable written but not read" warnings
when building with assertions disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137460 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 20bad60..2ca90f9 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -662,7 +662,7 @@
       if (TargetRegisterInfo::isVirtualRegister(Reg)) {
         bool removed = getVarInfo(Reg).removeKill(MI);
         assert(removed && "kill not in register's VarInfo?");
-        removed = true;
+        (void)removed;
       }
     }
   }