[turbofan] track source positions in EffectControlLinearizer

src/compiler/effect-control-linearizer.h

 // Copyright 2016 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.
 
 #ifndef V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
 #define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/node.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class Callable;
 class Zone;
 
 namespace compiler {
 
 class CommonOperatorBuilder;
 class SimplifiedOperatorBuilder;
 class MachineOperatorBuilder;
 class JSGraph;
 class Graph;
 class Schedule;
+class SourcePositionTable;
 
 class V8_EXPORT_PRIVATE EffectControlLinearizer {
  public:
-  EffectControlLinearizer(JSGraph* graph, Schedule* schedule, Zone* temp_zone);
+  EffectControlLinearizer(JSGraph* graph, Schedule* schedule, Zone* temp_zone,
+                          SourcePositionTable* source_positions);
 
   void Run();
 
  private:
   void ProcessNode(Node* node, Node** frame_state, Node** effect,
                    Node** control);
 
   struct ValueEffectControl {
     Node* value;
     Node* effect;
@@ skipping 177 matching lines @@
   CommonOperatorBuilder* common() const;
   SimplifiedOperatorBuilder* simplified() const;
   MachineOperatorBuilder* machine() const;
 
   Operator const* ToNumberOperator();
 
   JSGraph* js_graph_;
   Schedule* schedule_;
   Zone* temp_zone_;
   RegionObservability region_observability_ = RegionObservability::kObservable;
+  SourcePositionTable* source_positions_;
 
   SetOncePointer<Operator const> to_number_operator_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_