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

include/llvm/CodeGen/LiveVariables.h

@@ -231,6 +231,7 @@ public:
     }
 
     assert(Removed && "Register is not used by this instruction!");
+    (void)Removed;
     return true;
   }
 
@@ -265,6 +266,7 @@ public:
       }
     }
     assert(Removed && "Register is not defined by this instruction!");
+    (void)Removed;
     return true;
   }