Limit the maximum number of formal parameters (32K fixed and 32K optional)

runtime/vm/raw_object_snapshot.cc

Index: runtime/vm/raw_object_snapshot.cc
===================================================================
--- runtime/vm/raw_object_snapshot.cc	(revision 12287)
+++ runtime/vm/raw_object_snapshot.cc	(working copy)
@@ -484,10 +484,9 @@
   // Set all the non object fields.
   func.set_token_pos(reader->ReadIntptrValue());
   func.set_end_token_pos(reader->ReadIntptrValue());
-  func.set_num_fixed_parameters(reader->ReadIntptrValue());
-  func.set_num_optional_positional_parameters(reader->ReadIntptrValue());
-  func.set_num_optional_named_parameters(reader->ReadIntptrValue());
   func.set_usage_counter(reader->ReadIntptrValue());
+  func.set_num_fixed_parameters(reader->ReadIntptrValue());
+  func.set_num_optional_parameters(reader->ReadIntptrValue());
   func.set_deoptimization_counter(reader->ReadIntptrValue());
   func.set_kind_tag(reader->ReadIntptrValue());
 
@@ -520,10 +519,9 @@
   // Write out all the non object fields.
   writer->WriteIntptrValue(ptr()->token_pos_);
   writer->WriteIntptrValue(ptr()->end_token_pos_);
-  writer->WriteIntptrValue(ptr()->num_fixed_parameters_);
-  writer->WriteIntptrValue(ptr()->num_optional_positional_parameters_);
-  writer->WriteIntptrValue(ptr()->num_optional_named_parameters_);
   writer->WriteIntptrValue(ptr()->usage_counter_);
+  writer->WriteIntptrValue(ptr()->num_fixed_parameters_);
+  writer->WriteIntptrValue(ptr()->num_optional_parameters_);
   writer->WriteIntptrValue(ptr()->deoptimization_counter_);
   writer->WriteIntptrValue(ptr()->kind_tag_);