Remember token position where a function was inlined

runtime/vm/flow_graph_inliner.h

Index: runtime/vm/flow_graph_inliner.h
diff --git a/runtime/vm/flow_graph_inliner.h b/runtime/vm/flow_graph_inliner.h
index c4d8ca21332dcf830dfc25ec6eda72bdbe5261d4..ade98b5db113a8b95dc7d8fcf20f336bbd7ae149 100644
--- a/runtime/vm/flow_graph_inliner.h
+++ b/runtime/vm/flow_graph_inliner.h
@@ -21,6 +21,7 @@ class FlowGraphInliner : ValueObject {
  public:
   FlowGraphInliner(FlowGraph* flow_graph,
                    GrowableArray<const Function*>* inline_id_to_function,
+                   GrowableArray<TokenPosition>* inline_id_to_token_pos,
                    GrowableArray<intptr_t>* caller_inline_id,
                    bool use_speculative_inlining,
                    GrowableArray<intptr_t>* inlining_black_list);
@@ -35,7 +36,9 @@ class FlowGraphInliner : ValueObject {
   bool AlwaysInline(const Function& function);
 
   FlowGraph* flow_graph() const { return flow_graph_; }
-  intptr_t NextInlineId(const Function& function, intptr_t caller_id);
+  intptr_t NextInlineId(const Function& function,
+                        TokenPosition tp,
+                        intptr_t caller_id);
 
   bool trace_inlining() const { return trace_inlining_; }
 
@@ -54,6 +57,7 @@ class FlowGraphInliner : ValueObject {
 
   FlowGraph* flow_graph_;
   GrowableArray<const Function*>* inline_id_to_function_;
+  GrowableArray<TokenPosition>* inline_id_to_token_pos_;
   GrowableArray<intptr_t>* caller_inline_id_;
   const bool trace_inlining_;
   const bool use_speculative_inlining_;