Uniform and precise source positions for inlining

src/compiler/js-inlining.cc

Index: src/compiler/js-inlining.cc
diff --git a/src/compiler/js-inlining.cc b/src/compiler/js-inlining.cc
index f9c28205341bf0985e860d5a99d4fb40ece28f8e..2782a0d828d80b2c61a85ea5aa086405061cb547 100644
--- a/src/compiler/js-inlining.cc
+++ b/src/compiler/js-inlining.cc
@@ -510,7 +510,8 @@ Reduction JSInliner::ReduceJSCall(Node* node, Handle<JSFunction> function) {
   // Remember that we inlined this function. This needs to be called right
   // after we ensure deoptimization support so that the code flusher
   // does not remove the code with the deoptimization support.
-  info_->AddInlinedFunction(shared_info);
+  int inlining_id = info_->AddInlinedFunction(
+      shared_info, source_positions_->GetSourcePosition(node));
 
   // ----------------------------------------------------------------
   // After this point, we've made a decision to inline this function.
@@ -549,8 +550,9 @@ Reduction JSInliner::ReduceJSCall(Node* node, Handle<JSFunction> function) {
 
     // Run the AstGraphBuilder to create the subgraph.
     Graph::SubgraphScope scope(graph());
-    AstGraphBuilder graph_builder(&zone, &info, jsgraph(), call.frequency(),
-                                  loop_assignment, type_hint_analysis);
+    AstGraphBuilderWithPositions graph_builder(
+        &zone, &info, jsgraph(), call.frequency(), loop_assignment,
+        type_hint_analysis, source_positions_, inlining_id);
     graph_builder.CreateGraph(false);
 
     // Extract the inlinee start/end nodes.