Make isolate specific stub code accessors instance methods instead

runtime/vm/assembler_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/longjump.h"
 #include "vm/runtime_entry.h"
@@ skipping 557 matching lines @@
     // Preserve T0.
     addiu(SP, SP, Immediate(-2 * kWordSize));
     sw(T0, Address(SP, 1 * kWordSize));
   } else {
     addiu(SP, SP, Immediate(-1 * kWordSize));
   }
   sw(RA, Address(SP, 0 * kWordSize));
   if (object != T0) {
     mov(T0, object);
   }
-  BranchLink(&StubCode::UpdateStoreBufferLabel());
+  StubCode* stub_code = Isolate::Current()->stub_code();
+  BranchLink(&stub_code->UpdateStoreBufferLabel());
   lw(RA, Address(SP, 0 * kWordSize));
   if (value != T0) {
     // Restore T0.
     lw(T0, Address(SP, 1 * kWordSize));
     addiu(SP, SP, Immediate(2 * kWordSize));
   } else {
     addiu(SP, SP, Immediate(1 * kWordSize));
   }
   Bind(&done);
 }
@@ skipping 552 matching lines @@
     Emit(reinterpret_cast<int32_t>(message));
     Bind(&msg);
     break_(Instr::kMsgMessageCode);
   }
 #endif
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS