Fix implementation of bit count functions.

src/data-flow.h

 // Copyright 2012 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_DATAFLOW_H_
 #define V8_DATAFLOW_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 146 matching lines @@
     return true;
   }
 
   bool Equals(const BitVector& other) {
     for (int i = 0; i < data_length_; i++) {
       if (data_[i] != other.data_[i]) return false;
     }
     return true;
   }
 
-  int Count() const {
-    int count = 0;
-    for (int i = 0; i < data_length_; i++) {
-      int data = data_[i];
-      if (data != 0) count += CompilerIntrinsics::CountSetBits(data);
-    }
-    return count;
-  }
+  int Count() const;
 
   int length() const { return length_; }
 
 #ifdef DEBUG
   void Print();
 #endif
 
  private:
   int length_;
   int data_length_;
   uint32_t* data_;
 };
 
+
 class GrowableBitVector BASE_EMBEDDED {
  public:
   class Iterator BASE_EMBEDDED {
    public:
     Iterator(const GrowableBitVector* target, Zone* zone)
         : it_(target->bits_ == NULL
               ? new(zone) BitVector(1, zone)
               : target->bits_) { }
     bool Done() const { return it_.Done(); }
     void Advance() { it_.Advance(); }
@@ skipping 36 matching lines @@
     int new_length = bits_ == NULL ? kInitialLength : bits_->length();
     while (new_length <= value) new_length *= 2;
     BitVector* new_bits = new(zone) BitVector(new_length, zone);
     if (bits_ != NULL) new_bits->CopyFrom(*bits_);
     bits_ = new_bits;
   }
 
   BitVector* bits_;
 };
 
-
-} }  // namespace v8::internal
-
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_DATAFLOW_H_