Subzero: Misc fixes/cleanup.

src/IceCfgNode.cpp

 //===- subzero/src/IceCfgNode.cpp - Basic block (node) implementation -----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 653 matching lines @@
   LivenessBV &LiveOut = Liveness->getLiveOut(this);
   LiveBeginEndMap &MapBegin = *Liveness->getLiveBegin(this);
   LiveBeginEndMap &MapEnd = *Liveness->getLiveEnd(this);
   std::sort(MapBegin.begin(), MapBegin.end());
   std::sort(MapEnd.begin(), MapEnd.end());
   // Verify there are no duplicates.
   auto ComparePair =
       [](const LiveBeginEndMapEntry &A, const LiveBeginEndMapEntry &B) {
         return A.first == B.first;
       };
+  (void)ComparePair;
   assert(std::adjacent_find(MapBegin.begin(), MapBegin.end(), ComparePair) ==
          MapBegin.end());
   assert(std::adjacent_find(MapEnd.begin(), MapEnd.end(), ComparePair) ==
          MapEnd.end());
 
   LivenessBV LiveInAndOut = LiveIn;
   LiveInAndOut &= LiveOut;
 
   // Iterate in parallel across the sorted MapBegin[] and MapEnd[].
   auto IBB = MapBegin.begin(), IEB = MapEnd.begin();
@@ skipping 592 matching lines @@
   InstIntrinsicCall *Inst = InstIntrinsicCall::create(
       Func, 5, Func->makeVariable(IceType_i64), RMWI64Name, Info->Info);
   Inst->addArg(AtomicRMWOp);
   Inst->addArg(Counter);
   Inst->addArg(One);
   Inst->addArg(OrderAcquireRelease);
   Insts.push_front(Inst);
 }
 
 } // end of namespace Ice