[turbofan] Replace uninitialized JSCall nodes with SOFT deopt.

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 891 matching lines @@
   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());
     CheckpointElimination checkpoint_elimination(&graph_reducer);
     CommonOperatorReducer common_reducer(&graph_reducer, data->graph(),
                                          data->common(), data->machine());
     JSCallReducer call_reducer(&graph_reducer, data->jsgraph(),
+                               data->info()->is_bailout_on_uninitialized()
+                                   ? JSCallReducer::kBailoutOnUninitialized
+                                   : JSCallReducer::kNoFlags,
                                data->native_context(),
                                data->info()->dependencies());
     JSContextSpecialization context_specialization(
         &graph_reducer, data->jsgraph(),
         ChooseSpecializationContext(data->info()),
         data->info()->is_function_context_specializing()
             ? data->info()->closure()
             : MaybeHandle<JSFunction>());
     JSFrameSpecialization frame_specialization(
         &graph_reducer, data->info()->osr_frame(), data->jsgraph());
@@ skipping 1229 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8