Remove support for interfaces.

runtime/vm/intermediate_language.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_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 20 matching lines @@
 // TODO(srdjan): Add _ByteArrayBase, get:length.
 // TODO(srdjan): Unify with INTRINSIC_LIST.
 // (class-name, function-name, recognized enum, fingerprint).
 // See intrinsifier for fingerprint computation.
 #define RECOGNIZED_LIST(V)                                                     \
   V(_ObjectArray, get:length, ObjectArrayLength, 405297088)                    \
   V(_ImmutableArray, get:length, ImmutableArrayLength, 433698233)              \
   V(_GrowableObjectArray, get:length, GrowableArrayLength, 725548050)          \
   V(_GrowableObjectArray, get:capacity, GrowableArrayCapacity, 725548050)      \
   V(_StringBase, get:length, StringBaseLength, 320803993)                      \
-  V(_StringBase, get:isEmpty, StringBaseIsEmpty, 1065961093)                   \
+  V(_StringBase, get:isEmpty, StringBaseIsEmpty, 583130725)                    \
   V(_StringBase, charCodeAt, StringBaseCharCodeAt, 984449525)                  \
   V(_StringBase, [], StringBaseCharAt, 1062366987)                             \
-  V(_IntegerImplementation, toDouble, IntegerToDouble, 1396338041)             \
+  V(_IntegerImplementation, toDouble, IntegerToDouble, 1252792570)             \
   V(_Double, toInt, DoubleToInteger, 362666636)                                \
   V(::, sqrt, MathSqrt, 2232519)                                               \
 
 // Class that recognizes the name and owner of a function and returns the
 // corresponding enum. See RECOGNIZED_LIST above for list of recognizable
 // functions.
 class MethodRecognizer : public AllStatic {
  public:
   enum Kind {
     kUnknown,
@@ skipping 4237 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_