[kernel] debugging for in statement

runtime/vm/kernel_to_il.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "vm/kernel_to_il.h"
 
@@ skipping 5582 matching lines @@
   fragment_ = loop;
 }
 
 
 void FlowGraphBuilder::VisitForInStatement(ForInStatement* node) {
   Fragment instructions = TranslateExpression(node->iterable());
   instructions += PushArgument();
 
   const dart::String& iterator_getter = dart::String::ZoneHandle(
       Z, dart::Field::GetterSymbol(Symbols::Iterator()));
-  instructions +=
-      InstanceCall(TokenPosition::kNoSource, iterator_getter, Token::kGET, 1);
+  instructions += InstanceCall(node->iterable()->position(), iterator_getter,
+                               Token::kGET, 1);
   LocalVariable* iterator = scopes_->iterator_variables[for_in_depth_];
   instructions += StoreLocal(TokenPosition::kNoSource, iterator);
   instructions += Drop();
 
   ++for_in_depth_;
   ++loop_depth_;
   Fragment condition = LoadLocal(iterator);
   condition += PushArgument();
-  condition += InstanceCall(TokenPosition::kNoSource, Symbols::MoveNext(),
+  condition += InstanceCall(node->iterable()->position(), Symbols::MoveNext(),
                             Token::kILLEGAL, 1);
   TargetEntryInstr* body_entry;
   TargetEntryInstr* loop_exit;
   condition += BranchIfTrue(&body_entry, &loop_exit);
 
   Fragment body(body_entry);
   body += EnterScope(node);
   body += LoadLocal(iterator);
   body += PushArgument();
   const dart::String& current_getter = dart::String::ZoneHandle(
       Z, dart::Field::GetterSymbol(Symbols::Current()));
-  body +=
-      InstanceCall(TokenPosition::kNoSource, current_getter, Token::kGET, 1);
+  body += InstanceCall(node->position(), current_getter, Token::kGET, 1);
   body +=
       StoreLocal(TokenPosition::kNoSource, LookupVariable(node->variable()));
   body += Drop();
   body += TranslateStatement(node->body());
   body += ExitScope(node);
 
   if (body.is_open()) {
     JoinEntryInstr* join = BuildJoinEntry();
     instructions += Goto(join);
     body += Goto(join);
@@ skipping 807 matching lines @@
     thread->clear_sticky_error();
     return error.raw();
   }
 }
 
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)