Fix language/regress_28325 in precompiled mode

runtime/vm/code_descriptors.cc

 // Copyright (c) 2012, 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 "vm/code_descriptors.h"
 
 #include "vm/log.h"
 
 namespace dart {
 
@@ skipping 307 matching lines @@
 
 
 void CodeSourceMapBuilder::WriteChangePosition(TokenPosition pos) {
   stream_.Write<uint8_t>(kChangePosition);
   if (FLAG_precompiled_mode) {
     intptr_t line = -1;
     intptr_t inline_id = buffered_inline_id_stack_.Last();
     if (inline_id < inline_id_to_function_.length()) {
       const Function* function = inline_id_to_function_[inline_id];
       Script& script = Script::Handle(function->script());
-      line = script.GetTokenLineUsingLineStarts(pos);
+      line = script.GetTokenLineUsingLineStarts(pos.SourcePosition());
     }
     stream_.Write<int32_t>(static_cast<int32_t>(line));
   } else {
     stream_.Write<int32_t>(static_cast<int32_t>(pos.value()));
   }
   written_token_pos_stack_.Last() = pos;
 }
 
 
 void CodeSourceMapReader::GetInlinedFunctionsAt(
@@ skipping 204 matching lines @@
         break;
       }
       default:
         UNREACHABLE();
     }
   }
   THR_Print("}\n");
 }
 
 }  // namespace dart