Check for a passed-in type argument vector in the prolog of generic functions.

runtime/vm/kernel_to_il.h

 // 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.
 
 #ifndef RUNTIME_VM_KERNEL_TO_IL_H_
 #define RUNTIME_VM_KERNEL_TO_IL_H_
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/growable_array.h"
@@ skipping 877 matching lines @@
                         const dart::String& name,
                         Token::Kind kind,
                         intptr_t argument_count,
                         intptr_t num_args_checked = 1);
   Fragment InstanceCall(TokenPosition position,
                         const dart::String& name,
                         Token::Kind kind,
                         intptr_t argument_count,
                         const Array& argument_names,
                         intptr_t num_args_checked = 1);
-  Fragment ClosureCall(int argument_count, const Array& argument_names);
+  Fragment ClosureCall(intptr_t type_args_len,
+                       intptr_t argument_count,
+                       const Array& argument_names);
   Fragment ThrowException(TokenPosition position);
   Fragment RethrowException(TokenPosition position, int catch_try_index);
   Fragment LoadClassId();
   Fragment LoadField(const dart::Field& field);
   Fragment LoadField(intptr_t offset, intptr_t class_id = kDynamicCid);
   Fragment LoadNativeField(MethodRecognizer::Kind kind,
                            intptr_t offset,
                            const Type& type,
                            intptr_t class_id,
                            bool is_immutable = false);
@@ skipping 413 matching lines @@
 namespace kernel {
 
 RawObject* EvaluateMetadata(const dart::Field& metadata_field);
 RawObject* BuildParameterDescriptor(const Function& function);
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_TO_IL_H_