Small IL cleanup.

runtime/vm/intermediate_language.cc

 // 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.
 
 #include "vm/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 1358 matching lines @@
 RawAbstractType* UnboxIntegerInstr::CompileType() const {
   return Type::null();
 }
 
 
 RawAbstractType* UnarySmiOpInstr::CompileType() const {
   return Type::SmiType();
 }
 
 
-RawAbstractType* DoubleToDoubleInstr::CompileType() const {
-  return Type::Double();
-}
-
-
 RawAbstractType* SmiToDoubleInstr::CompileType() const {
   return Type::Double();
 }
 
 
 RawAbstractType* DoubleToIntegerInstr::CompileType() const {
   return Type::IntType();
 }
 
 
@@ skipping 809 matching lines @@
   ASSERT(!new_min.IsUnknown() && !new_max.IsUnknown());
   set_overflow(new_min.Overflowed() || new_max.Overflowed());
 
   range_ = new Range(new_min.Clamp(), new_max.Clamp());
 }
 
 
 #undef __
 
 }  // namespace dart