Support for mixed null/smi equality: do not deoptimize, emit same optimized code as if that was smi…

runtime/vm/code_generator.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_CODE_GENERATOR_H_
 #define VM_CODE_GENERATOR_H_
 
 #include "vm/globals.h"
 #include "vm/runtime_entry.h"
 
@@ skipping 27 matching lines @@
 DECLARE_RUNTIME_ENTRY(ReportObjectNotClosure);
 DECLARE_RUNTIME_ENTRY(ResolveCompileInstanceFunction);
 DECLARE_RUNTIME_ENTRY(ResolveImplicitClosureFunction);
 DECLARE_RUNTIME_ENTRY(ResolveImplicitClosureThroughGetter);
 DECLARE_RUNTIME_ENTRY(ReThrow);
 DECLARE_RUNTIME_ENTRY(StackOverflow);
 DECLARE_RUNTIME_ENTRY(Throw);
 DECLARE_RUNTIME_ENTRY(TraceFunctionEntry);
 DECLARE_RUNTIME_ENTRY(TraceFunctionExit);
 DECLARE_RUNTIME_ENTRY(DeoptimizeMaterializeDoubles);
+DECLARE_RUNTIME_ENTRY(UpdateICDataTwoArgs);
 
 #define DEOPT_REASONS(V)                                                       \
   V(Unknown)                                                                   \
   V(IncrLocal)                                                                 \
   V(IncrInstance)                                                              \
   V(IncrInstanceOneClass)                                                      \
   V(InstanceGetterSameTarget)                                                  \
   V(InstanceGetter)                                                            \
   V(StoreIndexed)                                                              \
   V(StoreIndexedPolymorphic)                                                   \
@@ skipping 38 matching lines @@
 
 
 RawCode* ResolveCompileInstanceCallTarget(Isolate* isolate,
                                           const Instance& receiver);
 
 void DeoptimizeAll();
 
 }  // namespace dart
 
 #endif  // VM_CODE_GENERATOR_H_