DBC: Remove special case from CheckClassInstr. Cleanup.

runtime/vm/intermediate_language.h

 // 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.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 873 matching lines @@
   void InheritDeoptTargetAfter(FlowGraph* flow_graph,
                                Definition* call,
                                Definition* result);
 
   virtual bool MayThrow() const = 0;
 
   bool IsDominatedBy(Instruction* dom);
 
   void ClearEnv() { env_ = NULL; }
 
+  void Unsupported(FlowGraphCompiler* compiler);
+
  protected:
   // GetDeoptId and/or CopyDeoptIdFrom.
   friend class CallSiteInliner;
   friend class LICM;
   friend class ComparisonInstr;
   friend class Scheduler;
   friend class BlockEntryInstr;
 
   // Fetch deopt id without checking if this computation can deoptimize.
   intptr_t GetDeoptId() const {
@@ skipping 7391 matching lines @@
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {    \
     UNIMPLEMENTED();                                                          \
     return NULL;                                                              \
   }                                                                           \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_