Reapply "Save and restore feedback from JIT."

runtime/vm/intermediate_language.h

 // 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 RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_
 #define RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 3203 matching lines @@
         identity_(AliasIdentity::Unknown()) {
     ASSERT(function.IsZoneHandle());
     ASSERT(!function.IsNull());
     ASSERT(argument_names.IsZoneHandle() || argument_names.InVMHeap());
   }
 
   // ICData for static calls carries call count.
   const ICData* ic_data() const { return ic_data_; }
   bool HasICData() const { return (ic_data() != NULL) && !ic_data()->IsNull(); }
 
+  void set_ic_data(const ICData* value) { ic_data_ = value; }
+
   DECLARE_INSTRUCTION(StaticCall)
   virtual CompileType ComputeType() const;
   virtual Definition* Canonicalize(FlowGraph* flow_graph);
 
   // Accessors forwarded to the AST node.
   const Function& function() const { return function_; }
   const Array& argument_names() const { return argument_names_; }
   virtual TokenPosition token_pos() const { return token_pos_; }
 
   virtual intptr_t ArgumentCount() const { return arguments_->length(); }
@@ skipping 4852 matching lines @@
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {     \
     UNIMPLEMENTED();                                                           \
     return NULL;                                                               \
   }                                                                            \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_