VM precompiler: Compute and use result type of static initializers of final fields.

runtime/vm/precompiler.h

 // Copyright (c) 2015, 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_PRECOMPILER_H_
 #define VM_PRECOMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/hash_map.h"
 #include "vm/hash_table.h"
@@ skipping 256 matching lines @@
 
   static RawError* CompileFunction(Thread* thread, const Function& function);
 
   static RawObject* EvaluateStaticInitializer(const Field& field);
   static RawObject* ExecuteOnce(SequenceNode* fragment);
 
  private:
   Precompiler(Thread* thread, bool reset_fields);
 
 
-  static RawFunction* CompileStaticInitializer(const Field& field);
+  static RawFunction* CompileStaticInitializer(const Field& field,
+                                               bool compute_type);
 
   void DoCompileAll(Dart_QualifiedFunctionName embedder_entry_points[]);
   void ClearAllCode();
   void AddRoots(Dart_QualifiedFunctionName embedder_entry_points[]);
   void AddEntryPoints(Dart_QualifiedFunctionName entry_points[]);
   void Iterate();
 
   void AddType(const AbstractType& type);
   void AddTypesOf(const Class& cls);
   void AddTypesOf(const Function& function);
@@ skipping 100 matching lines @@
     return function.raw();
   }
 };
 
 typedef UnorderedHashSet<FunctionsTraits> UniqueFunctionsSet;
 
 
 }  // namespace dart
 
 #endif  // VM_PRECOMPILER_H_