Support BottomType in the VM Kernel reader

runtime/vm/kernel_to_il.h

 // Copyright (c) 2016, 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 RUNTIME_VM_KERNEL_TO_IL_H_
 #define RUNTIME_VM_KERNEL_TO_IL_H_
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/growable_array.h"
@@ skipping 433 matching lines @@
   virtual void VisitFunctionType(FunctionType* node);
 
   virtual void VisitTypeParameterType(TypeParameterType* node);
 
   virtual void VisitInterfaceType(InterfaceType* node);
 
   virtual void VisitDynamicType(DynamicType* node);
 
   virtual void VisitVoidType(VoidType* node);
 
+  virtual void VisitBottomType(BottomType* node);
+
   // Will return `TypeArguments::null()` in case any of the arguments are
   // malformed.
   const TypeArguments& TranslateInstantiatedTypeArguments(
       const dart::Class& receiver_class,
       DartType** receiver_type_arguments,
       intptr_t length);
 
   // Will return `TypeArguments::null()` in case any of the arguments are
   // malformed.
   const TypeArguments& TranslateTypeArguments(DartType** dart_types,
@@ skipping 696 matching lines @@
 namespace kernel {
 
 RawObject* EvaluateMetadata(const dart::Field& metadata_field);
 RawObject* BuildParameterDescriptor(const Function& function);
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_TO_IL_H_