[turbofan] Bailout for call sites w/o feedback.

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 <memory>
 #include <sstream>
 
@@ skipping 775 matching lines @@
 
 struct InliningPhase {
   static const char* phase_name() { return "inlining"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
     JSGraphReducer graph_reducer(data->jsgraph(), temp_zone);
     DeadCodeElimination dead_code_elimination(&graph_reducer, data->graph(),
                                               data->common());
     CommonOperatorReducer common_reducer(&graph_reducer, data->graph(),
                                          data->common(), data->machine());
-    JSCallReducer call_reducer(data->jsgraph(),
-                               data->info()->is_deoptimization_enabled()
-                                   ? JSCallReducer::kDeoptimizationEnabled
-                                   : JSCallReducer::kNoFlags,
-                               data->native_context());
+    JSCallReducer::Flags call_reducer_flags = JSCallReducer::kNoFlags;
+    if (data->info()->is_bailout_on_uninitialized()) {
+      call_reducer_flags |= JSCallReducer::kBailoutOnUninitialized;
+    }
+    if (data->info()->is_deoptimization_enabled()) {
+      call_reducer_flags |= JSCallReducer::kDeoptimizationEnabled;
+    }
+    JSCallReducer call_reducer(&graph_reducer, data->jsgraph(),
+                               call_reducer_flags, data->native_context());
     JSContextSpecialization context_specialization(
         &graph_reducer, data->jsgraph(),
         data->info()->is_function_context_specializing()
             ? handle(data->info()->context())
             : MaybeHandle<Context>());
     JSFrameSpecialization frame_specialization(data->info()->osr_frame(),
                                                data->jsgraph());
     JSGlobalObjectSpecialization global_object_specialization(
         &graph_reducer, data->jsgraph(), data->native_context(),
         data->info()->dependencies());
@@ skipping 1135 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8