[Interpreter] Add BytecodeArray class and add to SharedFunctionInfo.

src/factory.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_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 #include "src/messages.h"
 
@@ skipping 265 matching lines @@
   Handle<Foreign> NewForeign(Address addr,
                              PretenureFlag pretenure = NOT_TENURED);
 
   // Allocate a new foreign object.  The foreign is pretenured (allocated
   // directly in the old generation).
   Handle<Foreign> NewForeign(const AccessorDescriptor* foreign);
 
   Handle<ByteArray> NewByteArray(int length,
                                  PretenureFlag pretenure = NOT_TENURED);
 
+  Handle<BytecodeArray> NewBytecodeArray(int length, const byte* start,

[rmcilroy, 2015/07/15 13:33:37]

nit - /s/start/raw_bytecodes.

[oth, 2015/07/16 09:15:49]

Done.

+                                         PretenureFlag pretenure = NOT_TENURED);

[rmcilroy, 2015/07/15 13:33:37]

Let's remove the pretenure flag and just always tenure the bytecode - it is
referenced by the SharedFunctionInfo which is also pretenured (allocated in the
old space) and should always live long enough that it would always get promoted
anyway.

[oth, 2015/07/16 09:15:49]

Done.

+
   Handle<ExternalArray> NewExternalArray(
       int length,
       ExternalArrayType array_type,
       void* external_pointer,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<FixedTypedArrayBase> NewFixedTypedArray(
       int length, ExternalArrayType array_type, bool initialize,
       PretenureFlag pretenure = NOT_TENURED);
 
@@ skipping 441 matching lines @@
   // Reinitialize a JSProxy into an (empty) JS object of respective type and
   // size, but keeping the original prototype.  The receiver must have at least
   // the size of the new object.  The object is reinitialized and behaves as an
   // object that has been freshly allocated.
   void ReinitializeJSProxy(Handle<JSProxy> proxy, InstanceType type, int size);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_