Make allocation of Dart parameters and local variables architecture independent.

runtime/vm/stack_frame.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/stack_frame.h"
 
 #include "vm/assembler.h"
 #include "vm/deopt_instructions.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
@@ skipping 43 matching lines @@
 void StackFrame::VisitObjectPointers(ObjectPointerVisitor* visitor) {
   // NOTE: This code runs while GC is in progress and runs within
   // a NoHandleScope block. Hence it is not ok to use regular Zone or
   // Scope handles. We use direct stack handles, the raw pointers in
   // these handles are not traversed. The use of handles is mainly to
   // be able to reuse the handle based code and avoid having to add
   // helper functions to the raw object interface.
   ASSERT(visitor != NULL);
   NoGCScope no_gc;
   RawObject** start_addr = reinterpret_cast<RawObject**>(sp());
-  RawObject** end_addr = reinterpret_cast<RawObject**>(fp()) +
-      ParsedFunction::kFirstLocalSlotIndex;
+  RawObject** end_addr =
+      reinterpret_cast<RawObject**>(fp()) + kFirstLocalSlotIndex;
   Code code;
   code = LookupDartCode();
   if (!code.IsNull()) {
     // Visit the code object.
     RawObject* raw_code = code.raw();
     visitor->VisitPointer(&raw_code);
     // Visit stack based on stack maps.
     Array maps;
     maps = Array::null();
     Stackmap map;
@@ skipping 263 matching lines @@
                                            &func);
       code_ = func.unoptimized_code();
       function_ = func.raw();
       return;
     }
   }
   SetDone();
 }
 
 }  // namespace dart