Uniform and precise source positions for inlining

src/compiler/ast-graph-builder.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/ast-graph-builder.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler.h"
@@ skipping 4345 matching lines @@
     NodeProperties::ChangeOp(
         value, common()->Phi(MachineRepresentation::kTagged, inputs));
   } else if (value != other) {
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
+AstGraphBuilderWithPositions::AstGraphBuilderWithPositions(
+    Zone* local_zone, CompilationInfo* info, JSGraph* jsgraph,
+    float invocation_frequency, LoopAssignmentAnalysis* loop_assignment,
+    TypeHintAnalysis* type_hint_analysis, SourcePositionTable* source_positions,
+    int inlining_id)
+    : AstGraphBuilder(local_zone, info, jsgraph, invocation_frequency,
+                      loop_assignment, type_hint_analysis),
+      source_positions_(source_positions),
+      start_position_(info->shared_info()->start_position(), inlining_id),
+      inlining_id_(inlining_id) {}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8