[turbofan] Unify various bailout hacks for super call.

src/compiler/pipeline.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/pipeline.h"
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/base/adapters.h"
@@ skipping 948 matching lines @@
   if (FLAG_turbo_verify) {
     Run<VerifyGraphPhase>(untyped);
   }
 }
 
 
 Handle<Code> Pipeline::GenerateCode() {
   // TODO(mstarzinger): This is just a temporary hack to make TurboFan work,
   // the correct solution is to restore the context register after invoking
   // builtins from full-codegen.
-  Handle<SharedFunctionInfo> shared = info()->shared_info();
   for (int i = 0; i < Builtins::NumberOfJavaScriptBuiltins(); i++) {
     Builtins::JavaScript id = static_cast<Builtins::JavaScript>(i);
     Object* builtin = isolate()->js_builtins_object()->javascript_builtin(id);
     if (*info()->closure() == builtin) return Handle<Code>::null();
   }
 
-  // TODO(dslomov): support turbo optimization of subclass constructors.
-  if (IsSubclassConstructor(shared->kind())) {
-    shared->DisableOptimization(kSuperReference);
-    return Handle<Code>::null();
-  }
-
   ZonePool zone_pool;
   SmartPointer<PipelineStatistics> pipeline_statistics;
 
   if (FLAG_turbo_stats) {
     pipeline_statistics.Reset(new PipelineStatistics(info(), &zone_pool));
     pipeline_statistics->BeginPhaseKind("initializing");
   }
 
   if (FLAG_trace_turbo) {
     FILE* json_file = OpenVisualizerLogFile(info(), NULL, "json", "w+");
@@ skipping 365 matching lines @@
     tcf << AsC1VRegisterAllocationData("CodeGen",
                                        data->register_allocation_data());
   }
 
   data->DeleteRegisterAllocationZone();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8