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

runtime/vm/aot_optimizer.cc

 // 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.
 
 #include "vm/aot_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/branch_optimizer.h"
 #include "vm/cha.h"
 #include "vm/compiler.h"
@@ skipping 1531 matching lines @@
       }
       TestCidsInstr* test_cids = new (Z) TestCidsInstr(
           call->token_pos(), Token::kIS, new (Z) Value(left), *results,
           can_deopt ? call->deopt_id() : Thread::kNoDeoptId);
       // Remove type.
       ReplaceCall(call, test_cids);
       return;
     }
   }
 
-  InstanceOfInstr* instance_of =
-      new (Z) InstanceOfInstr(call->token_pos(), new (Z) Value(left),
-                              new (Z) Value(type_args), type, call->deopt_id());
+  InstanceOfInstr* instance_of = new (Z) InstanceOfInstr(
+      call->token_pos(), new (Z) Value(left), new (Z) Value(type_args),
+      NULL,  // TODO(regis): Pass function type args.
+      type, call->deopt_id());
   ReplaceCall(call, instance_of);
 }
 
 
 // TODO(srdjan): Apply optimizations as in ReplaceWithInstanceOf (TestCids).
 void AotOptimizer::ReplaceWithTypeCast(InstanceCallInstr* call) {
   ASSERT(Token::IsTypeCastOperator(call->token_kind()));
   Definition* left = call->ArgumentAt(0);
   Definition* type_args = call->ArgumentAt(1);
   const AbstractType& type =
@@ skipping 20 matching lines @@
         push->RemoveFromGraph();
       }
       // Remove call, replace it with 'left'.
       call->ReplaceUsesWith(left);
       ASSERT(current_iterator()->Current() == call);
       current_iterator()->RemoveCurrentFromGraph();
       return;
     }
   }
   AssertAssignableInstr* assert_as = new (Z) AssertAssignableInstr(
-      call->token_pos(), new (Z) Value(left), new (Z) Value(type_args), type,
-      Symbols::InTypeCast(), call->deopt_id());
+      call->token_pos(), new (Z) Value(left), new (Z) Value(type_args),
+      NULL,  // TODO(regis): Pass function type arguments.
+      type, Symbols::InTypeCast(), call->deopt_id());
   ReplaceCall(call, assert_as);
 }
 
 
 bool AotOptimizer::IsAllowedForInlining(intptr_t call_deopt_id) {
   if (!use_speculative_inlining_) return false;
   for (intptr_t i = 0; i < inlining_black_list_->length(); ++i) {
     if ((*inlining_black_list_)[i] == call_deopt_id) return false;
   }
   return true;
@@ skipping 523 matching lines @@
                                   FlowGraph::kEffect);
         current_iterator()->RemoveCurrentFromGraph();
       }
     }
   }
 }
 
 #endif  // DART_PRECOMPILER
 
 }  // namespace dart