Add Genericity enum in VM to distinguish how a type is uninstantiated.

runtime/vm/flow_graph_builder.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 RUNTIME_VM_FLOW_GRAPH_BUILDER_H_
 #define RUNTIME_VM_FLOW_GRAPH_BUILDER_H_
 
 #include "platform/assert.h"
 #include "platform/globals.h"
 #include "vm/allocation.h"
@@ skipping 305 matching lines @@
   // Helpers for translating parts of the AST.
   void BuildPushArguments(const ArgumentListNode& node,
                           ZoneGrowableArray<PushArgumentInstr*>* values);
 
   // Creates an instantiated type argument vector used in preparation of an
   // allocation call.
   // May be called only if allocating an object of a parameterized class.
   Value* BuildInstantiatedTypeArguments(TokenPosition token_pos,
                                         const TypeArguments& type_arguments);
 
-  void BuildTypecheckPushArguments(
-      TokenPosition token_pos,
-      PushArgumentInstr** push_instantiator_type_arguments);
-  void BuildTypecheckArguments(TokenPosition token_pos,
-                               Value** instantiator_type_arguments);
   Value* BuildInstantiator(TokenPosition token_pos);
-  Value* BuildInstantiatorTypeArguments(TokenPosition token_pos,
-                                        const Class& instantiator_class,
-                                        Value* instantiator);
+  Value* BuildInstantiatorTypeArguments(TokenPosition token_pos);
+  Value* BuildFunctionTypeArguments(TokenPosition token_pos);
+  PushArgumentInstr* PushInstantiatorTypeArguments(const AbstractType& type,
+                                                   TokenPosition token_pos);
+  PushArgumentInstr* PushFunctionTypeArguments(const AbstractType& type,
+                                               TokenPosition token_pos);
 
   // Perform a type check on the given value.
   AssertAssignableInstr* BuildAssertAssignable(TokenPosition token_pos,
                                                Value* value,
                                                const AbstractType& dst_type,
                                                const String& dst_name);
 
   // Perform a type check on the given value and return it.
   Value* BuildAssignableValue(TokenPosition token_pos,
                               Value* value,
@@ skipping 218 matching lines @@
   // Output parameters.
   GrowableArray<TargetEntryInstr**> true_successor_addresses_;
   GrowableArray<TargetEntryInstr**> false_successor_addresses_;
 
   TokenPosition condition_token_pos_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_FLOW_GRAPH_BUILDER_H_