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

runtime/vm/flow_graph_compiler_arm.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_FLOW_GRAPH_COMPILER_ARM_H_
-#define VM_FLOW_GRAPH_COMPILER_ARM_H_
-
-#ifndef VM_FLOW_GRAPH_COMPILER_H_
-#error Include flow_graph_compiler.h instead of flow_graph_compiler_arm.h.
-#endif
-
-#include "vm/flow_graph.h"
-#include "vm/intermediate_language.h"
-
-namespace dart {
-
-class Assembler;
-class Code;
-template <typename T> class GrowableArray;
-class ParsedFunction;
-
-// Stubbed out implementation of graph compiler, bails out immediately if
-// CompileGraph is called. The rest of the public API is UNIMPLEMENTED.
-class FlowGraphCompiler : public FlowGraphVisitor {
- public:
-  FlowGraphCompiler(Assembler* assembler,
-                    const FlowGraph& flow_graph,
-                    bool is_optimizing)
-      : FlowGraphVisitor(flow_graph.reverse_postorder()),
-        parsed_function_(flow_graph.parsed_function()),
-        is_optimizing_(is_optimizing) {
-  }
-
-  virtual ~FlowGraphCompiler() { }
-
-  static bool CanOptimize();
-  bool CanOptimizeFunction() const;
-
-  void CompileGraph();
-
-  void FinalizePcDescriptors(const Code& code);
-  void FinalizeStackmaps(const Code& code);
-  void FinalizeVarDescriptors(const Code& code);
-  void FinalizeExceptionHandlers(const Code& code);
-  void FinalizeComments(const Code& code);
-
- private:
-  // Bail out of the flow graph compiler.  Does not return to the caller.
-  void Bailout(const char* reason);
-
-  const ParsedFunction& parsed_function_;
-  const bool is_optimizing_;
-
-  DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
-};
-
-}  // namespace dart
-
-#endif  // VM_FLOW_GRAPH_COMPILER_ARM_H_