Add local variable declaration token position to service protocol

runtime/vm/code_generator.cc

Index: runtime/vm/code_generator.cc
diff --git a/runtime/vm/code_generator.cc b/runtime/vm/code_generator.cc
index 1d101b9ba5241caf80fb22402cde4cc6ecbd16f8..85a5bce92b647926f298fb3542a421380407d4ff 100644
--- a/runtime/vm/code_generator.cc
+++ b/runtime/vm/code_generator.cc
@@ -1728,7 +1728,7 @@ DEFINE_RUNTIME_ENTRY(StackOverflow, 0) {
          FLAG_precompiled_runtime ? 0 : frame->NumLocalVariables();
       TokenPosition unused = TokenPosition::kNoSource;
       for (intptr_t v = 0; v < num_vars; v++) {
-        frame->VariableAt(v, &var_name, &unused, &unused, &var_value);
+        frame->VariableAt(v, &var_name, &unused, &unused, &unused, &var_value);
       }
     }
     FLAG_stacktrace_every = saved_stacktrace_every;