Fix bug in representation-change.h.

src/compiler/representation-change.h

 // 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.
 
 #ifndef V8_COMPILER_REPRESENTATION_CHANGE_H_
 #define V8_COMPILER_REPRESENTATION_CHANGE_H_
 
 #include "src/base/bits.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 202 matching lines @@
       return jsgraph()->Int32Constant(iv);
     }
   }
 
   Node* GetWord32RepresentationFor(Node* node, MachineTypeUnion output_type,
                                    bool use_unsigned) {
     // Eagerly fold representation changes for constants.
     switch (node->opcode()) {
       case IrOpcode::kInt32Constant:
         return node;  // No change necessary.
-      case IrOpcode::kNumberConstant:
       case IrOpcode::kFloat32Constant:
         return MakeInt32Constant(OpParameter<float>(node));
+      case IrOpcode::kNumberConstant:
       case IrOpcode::kFloat64Constant:
         return MakeInt32Constant(OpParameter<double>(node));
       default:
         break;
     }
     // Select the correct X -> Word32 operator.
     const Operator* op = NULL;
     if (output_type & kRepFloat64) {
       if (output_type & kTypeUint32 || use_unsigned) {
         op = machine()->ChangeFloat64ToUint32();
@@ skipping 187 matching lines @@
   Isolate* isolate() { return isolate_; }
   SimplifiedOperatorBuilder* simplified() { return simplified_; }
   MachineOperatorBuilder* machine() { return jsgraph()->machine(); }
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_REPRESENTATION_CHANGE_H_