Remove parent_level field of function type parameters.

runtime/vm/stub_code_mips.cc

 // Copyright (c) 2013, 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/globals.h"
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 1884 matching lines @@
   __ AddImmediate(T2, Array::data_offset() - kHeapObjectTag);
 
   __ LoadObject(T7, Object::null_object());
   Label loop, found, not_found, next_iteration;
   // T0: instance class id.
   // T1: instance type arguments (still null if closure).
   // T2: Entry start.
   // T7: null.
   __ SmiTag(T0);
   __ BranchNotEqual(T0, Immediate(Smi::RawValue(kClosureCid)), &loop);
-  __ lw(T1, FieldAddress(A0, Closure::instantiator_offset()));
+  __ lw(T1, FieldAddress(A0, Closure::function_type_arguments_offset()));
+  __ bne(T1, T7, &not_found);  // Cache cannot be used for generic closures.
+  __ lw(T1, FieldAddress(A0, Closure::instantiator_type_arguments_offset()));
   __ lw(T0, FieldAddress(A0, Closure::function_offset()));
   // T0: instance class id as Smi or function.
   __ Bind(&loop);
   __ lw(T3,
         Address(T2, kWordSize * SubtypeTestCache::kInstanceClassIdOrFunction));
   __ beq(T3, T7, &not_found);
   if (n == 1) {
     __ beq(T3, T0, &found);
   } else {
     __ bne(T3, T0, &next_iteration);
@@ skipping 514 matching lines @@
 }
 
 
 void StubCode::GenerateAsynchronousGapMarkerStub(Assembler* assembler) {
   __ break_(0);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS