Fix vm code base so that it can be built for --arch=simarm (no snapshot yet).

runtime/vm/intermediate_language.h

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
 #include "vm/handles_impl.h"
@@ skipping 1589 matching lines @@
  protected:
   EmbeddedArray<Value*, N> inputs_;
 
  private:
   friend class BranchInstr;
 
   LocationSummary* locs_;
 };
 
 
-class RangeBoundary : public ValueObject {
+class RangeBoundary {
  public:
   enum Kind { kUnknown, kSymbol, kConstant };
 
   RangeBoundary() : kind_(kUnknown), value_(0), offset_(0) { }
 
+  RangeBoundary(const RangeBoundary& other)
+      : kind_(other.kind_), value_(other.value_), offset_(other.offset_) { }
+
+  RangeBoundary& operator=(const RangeBoundary& other) {
+    kind_ = other.kind_;
+    value_ = other.value_;
+    offset_ = other.offset_;
+    return *this;
+  }
+
   static RangeBoundary FromConstant(intptr_t val) {
     return RangeBoundary(kConstant, val, 0);
   }
 
   static RangeBoundary FromDefinition(Definition* defn, intptr_t offs = 0);
 
   static RangeBoundary MinSmi() {
     return FromConstant(Smi::kMinValue);
   }
 
@@ skipping 2558 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(CheckArrayBoundInstr);
 };
 
 
 #undef DECLARE_INSTRUCTION
 
 class Environment : public ZoneAllocated {
  public:
   // Iterate the non-NULL values in the innermost level of an environment.
-  class ShallowIterator : public ValueObject {
+  class ShallowIterator {
    public:
     explicit ShallowIterator(Environment* environment)
         : environment_(environment), index_(0) { }
 
+    ShallowIterator(const ShallowIterator& other)
+        : environment_(other.environment_), index_(other.index_) { }
+
+    ShallowIterator& operator=(const ShallowIterator& other) {
+      environment_ = other.environment_;
+      index_ = other.index_;
+      return *this;
+    }
+
     Environment* environment() const { return environment_; }
 
     void Advance() {
       ASSERT(!Done());
       ++index_;
     }
 
     bool Done() const {
       return (environment_ == NULL) || (index_ >= environment_->Length());
     }
@@ skipping 184 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_