Make subtype test stubs isolate-specific.

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 VM_STUB_CODE_H_
 #define VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
@@ skipping 17 matching lines @@
   V(CallStaticFunction)                                                        \
   V(FixCallersTarget)                                                          \
   V(FixAllocationStubTarget)                                                   \
   V(FixAllocateArrayStubTarget)                                                \
   V(Deoptimize)                                                                \
   V(DeoptimizeLazy)                                                            \
   V(ICCallBreakpoint)                                                          \
   V(ClosureCallBreakpoint)                                                     \
   V(RuntimeCallBreakpoint)                                                     \
   V(DebugStepCheck)                                                            \
-  V(Subtype1TestCache)                                                         \
-  V(Subtype2TestCache)                                                         \
-  V(Subtype3TestCache)                                                         \
   V(GetStackPointer)                                                           \
   V(JumpToExceptionHandler)                                                    \
   V(UnoptimizedIdenticalWithNumberCheck)                                       \
   V(OptimizedIdenticalWithNumberCheck)                                         \
 
 // Is it permitted for the stubs above to refer to Object::null(), which is
 // allocated in the VM isolate and shared across all isolates.
 // However, in cases where a simple GC-safe placeholder is needed on the stack,
 // using Smi 0 instead of Object::null() is slightly more efficient, since a Smi
 // does not require relocation.
@@ skipping 11 matching lines @@
   V(SmiSubInlineCache)                                                         \
   V(SmiEqualInlineCache)                                                       \
   V(OneArgOptimizedCheckInlineCache)                                           \
   V(TwoArgsOptimizedCheckInlineCache)                                          \
   V(ThreeArgsOptimizedCheckInlineCache)                                        \
   V(ZeroArgsUnoptimizedStaticCall)                                             \
   V(OneArgUnoptimizedStaticCall)                                               \
   V(TwoArgsUnoptimizedStaticCall)                                              \
   V(OptimizeFunction)                                                          \
   V(InvokeDartCode)                                                            \
+  V(Subtype1TestCache)                                                         \
+  V(Subtype2TestCache)                                                         \
+  V(Subtype3TestCache)                                                         \
 
 // class StubEntry is used to describe stub methods generated in dart to
 // abstract out common code executed from generated dart code.
 class StubEntry {
  public:
   explicit StubEntry(const Code& code);
   ~StubEntry() {}
 
   const ExternalLabel& label() const { return label_; }
   uword EntryPoint() const { return entry_point_; }
@@ skipping 135 matching lines @@
       Assembler* assembler,
       const Register left,
       const Register right,
       const Register temp1 = kNoRegister,
       const Register temp2 = kNoRegister);
 };
 
 }  // namespace dart
 
 #endif  // VM_STUB_CODE_H_