DBC: Remove special case from CheckClassInstr. Cleanup.

runtime/vm/intermediate_language.cc

 // 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.
 
 #include "vm/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/bootstrap.h"
 #include "vm/compiler.h"
 #include "vm/constant_propagator.h"
@@ skipping 108 matching lines @@
 
 bool Instruction::Equals(Instruction* other) const {
   if (tag() != other->tag()) return false;
   for (intptr_t i = 0; i < InputCount(); ++i) {
     if (!InputAt(i)->Equals(other->InputAt(i))) return false;
   }
   return AttributesEqual(other);
 }
 
 
+void Instruction::Unsupported(FlowGraphCompiler* compiler) {
+  compiler->Bailout(ToCString());
+  UNREACHABLE();
+}
+
+
 bool Value::Equals(Value* other) const {
   return definition() == other->definition();
 }
 
 
 static int LowestFirst(const intptr_t* a, const intptr_t* b) {
   return *a - *b;
 }
 
 
@@ skipping 3786 matching lines @@
   set_native_c_function(native_function);
   function().SetIsNativeAutoSetupScope(auto_setup_scope);
   Dart_NativeEntryResolver resolver = library.native_entry_resolver();
   bool is_bootstrap_native = Bootstrap::IsBootstapResolver(resolver);
   set_is_bootstrap_native(is_bootstrap_native);
 }
 
 #undef __
 
 }  // namespace dart