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

runtime/vm/dart_api_impl.cc

Index: runtime/vm/dart_api_impl.cc
===================================================================
--- runtime/vm/dart_api_impl.cc	(revision 12287)
+++ runtime/vm/dart_api_impl.cc	(working copy)
@@ -2837,11 +2837,10 @@
   // We hide implicit parameters, such as a method's receiver. This is
   // consistent with Invoke or New, which don't expect their callers to
   // provide them in the argument lists they are handed.
-  *fixed_param_count = (func.num_fixed_parameters() -
-                        func.NumberOfImplicitParameters());
+  *fixed_param_count = func.num_fixed_parameters() -
+                       func.NumImplicitParameters();
   // TODO(regis): Separately report named and positional optional param counts.
-  *opt_param_count = (func.num_optional_positional_parameters() +
-                      func.num_optional_named_parameters());
+  *opt_param_count = func.NumOptionalParameters();
 
   ASSERT(*fixed_param_count >= 0);
   ASSERT(*opt_param_count >= 0);