Add flag —source-lines which emits appropriate source lines as code comments. Added token_pos to …

runtime/vm/flow_graph_inliner.cc

Index: runtime/vm/flow_graph_inliner.cc
===================================================================
--- runtime/vm/flow_graph_inliner.cc	(revision 35591)
+++ runtime/vm/flow_graph_inliner.cc	(working copy)
@@ -870,7 +870,8 @@
           closure_call->PushArgumentAt(0)->value()->definition();
       Definition* context = new LoadFieldInstr(new Value(closure),
                                                Closure::context_offset(),
-                                               Type::ZoneHandle());
+                                               Type::ZoneHandle(),
+                                               closure_call->token_pos());
       context->set_ssa_temp_index(caller_graph()->alloc_ssa_temp_index());
       context->InsertAfter(callee_entry);
       StoreContextInstr* set_context =
@@ -1410,7 +1411,9 @@
       cursor = AppendInstruction(cursor, redefinition);
       if (inlined_variants_[i].cid == kSmiCid) {
         CheckSmiInstr* check_smi =
-            new CheckSmiInstr(new Value(redefinition), call_->deopt_id());
+            new CheckSmiInstr(new Value(redefinition),
+                              call_->deopt_id(),
+                              call_->token_pos());
         check_smi->InheritDeoptTarget(call_);
         cursor = AppendInstruction(cursor, check_smi);
       } else {
@@ -1426,7 +1429,8 @@
         CheckClassInstr* check_class =
             new CheckClassInstr(new Value(redefinition),
                                 call_->deopt_id(),
-                                new_checks);
+                                new_checks,
+                                call_->token_pos());
         check_class->InheritDeoptTarget(call_);
         cursor = AppendInstruction(cursor, check_class);
       }