Force WriteByte to be inlined

runtime/vm/datastream.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_DATASTREAM_H_
 #define VM_DATASTREAM_H_
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/allocation.h"
@@ skipping 200 matching lines @@
   void Write(T value) {
     T v = value;
     while (v < kMinDataPerByte ||
            v > kMaxDataPerByte) {
       WriteByte(static_cast<uint8_t>(v & kByteMask));
       v = v >> kDataBitsPerByte;
     }
     WriteByte(static_cast<uint8_t>(v + kEndByteMarker));
   }
 
-  void WriteByte(uint8_t value) {
+  DART_FORCE_INLINE void WriteByte(uint8_t value) {
     if (current_ >= end_) {
       Resize(1);
     }
     ASSERT(current_ < end_);
     *current_++ = value;
   }
 
   void Resize(intptr_t size_needed) {
     intptr_t position = current_ - *buffer_;
     intptr_t new_size = current_size_ +
@@ skipping 15 matching lines @@
   intptr_t current_size_;
   ReAlloc alloc_;
   intptr_t increment_size_;
 
   DISALLOW_COPY_AND_ASSIGN(WriteStream);
 };
 
 }  // namespace dart
 
 #endif  // VM_DATASTREAM_H_