In preparation for lazy deoptimization add "is_alive_" field to RawCode: visit embedded pointers on…

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 7148 matching lines @@
   }
   ASSERT(Object::code_class() != Class::null());
   Code& result = Code::Handle();
   {
     uword size = Code::InstanceSize(pointer_offsets_length);
     RawObject* raw = Object::Allocate(Code::kClassId, size, Heap::kOld);
     NoGCScope no_gc;
     result ^= raw;
     result.set_pointer_offsets_length(pointer_offsets_length);
     result.set_is_optimized(false);
+    result.set_is_alive(true);
     result.set_comments(Comments::New(0));
   }
   return result.raw();
 }
 
 
 RawCode* Code::FinalizeCode(const char* name, Assembler* assembler) {
   ASSERT(assembler != NULL);
 
   // Allocate the Instructions object.
@@ skipping 4020 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart