Pass a second type argument vector to all type instantiation calls in the VM.

runtime/vm/stub_code.h

 // Copyright (c) 2011, 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_STUB_CODE_H_
 #define RUNTIME_VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
@@ skipping 48 matching lines @@
   V(SmiAddInlineCache)                                                         \
   V(SmiSubInlineCache)                                                         \
   V(SmiEqualInlineCache)                                                       \
   V(OneArgOptimizedCheckInlineCache)                                           \
   V(TwoArgsOptimizedCheckInlineCache)                                          \
   V(ZeroArgsUnoptimizedStaticCall)                                             \
   V(OneArgUnoptimizedStaticCall)                                               \
   V(TwoArgsUnoptimizedStaticCall)                                              \
   V(Subtype1TestCache)                                                         \
   V(Subtype2TestCache)                                                         \
-  V(Subtype3TestCache)                                                         \
+  V(Subtype4TestCache)                                                         \
   V(CallClosureNoSuchMethod)                                                   \
   V(FrameAwaitingMaterialization)                                              \
   V(AsynchronousGapMarker)
 
 #else
 #define VM_STUB_CODE_LIST(V)                                                   \
   V(LazyCompile)                                                               \
   V(OptimizeFunction)                                                          \
   V(RunExceptionHandler)                                                       \
   V(DeoptForRewind)                                                            \
@@ skipping 70 matching lines @@
   static const StubEntry* name##_entry() { return entries_[k##name##Index]; }  \
   static intptr_t name##Size() { return name##_entry()->Size(); }
   VM_STUB_CODE_LIST(STUB_CODE_ACCESSOR);
 #undef STUB_CODE_ACCESSOR
 
   static RawCode* GetAllocationStubForClass(const Class& cls);
 
   static const StubEntry* UnoptimizedStaticCallEntry(intptr_t num_args_tested);
 
   static const intptr_t kNoInstantiator = 0;
+  static const intptr_t kInstantiationSizeInWords = 3;
 
   static StubEntry* EntryAt(intptr_t index) { return entries_[index]; }
   static void EntryAtPut(intptr_t index, StubEntry* entry) {
     entries_[index] = entry;
   }
   static intptr_t NumEntries() { return kNumStubEntries; }
 
  private:
   friend class MegamorphicCacheTable;
 
@@ skipping 37 matching lines @@
 
 // Zap value used to indicate unused CODE_REG in deopt.
 static const uword kZapCodeReg = 0xf1f1f1f1;
 
 // Zap value used to indicate unused return address in deopt.
 static const uword kZapReturnAddress = 0xe1e1e1e1;
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_STUB_CODE_H_