Address compilation warnings for android build.

src/compiler/simplified-lowering.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/simplified-lowering.h"
 
 #include <limits>
 
 #include "src/address-map.h"
 #include "src/base/bits.h"
@@ skipping 2172 matching lines @@
   // TODO(danno): RepresentationSelector shouldn't know anything about the
   // source positions table, but must for now since there currently is no other
   // way to pass down source position information to nodes created during
   // lowering. Once this phase becomes a vanilla reducer, it should get source
   // position information via the SourcePositionWrapper like all other reducers.
   SourcePositionTable* source_positions_;
   TypeCache const& type_cache_;
   OperationTyper op_typer_;  // helper for the feedback typer
 
   NodeInfo* GetInfo(Node* node) {
-    DCHECK(node->id() >= 0);
     DCHECK(node->id() < count_);
     return &info_[node->id()];
   }
   Zone* zone() { return zone_; }
   Zone* graph_zone() { return jsgraph_->zone(); }
 };
 
 SimplifiedLowering::SimplifiedLowering(JSGraph* jsgraph, Zone* zone,
                                        SourcePositionTable* source_positions,
                                        Flags flags)
@@ skipping 948 matching lines @@
         isolate(), graph()->zone(), callable.descriptor(), 0, flags,
         Operator::kNoProperties);
     to_number_operator_.set(common()->Call(desc));
   }
   return to_number_operator_.get();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8