Fix simulators.

runtime/vm/assembler_arm.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"  // NOLINT
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 2047 matching lines @@
   return Utils::IsInt(Utils::CountOneBits(kBranchOffsetMask), offset);
 }
 
 
 int32_t Assembler::EncodeBranchOffset(int32_t offset, int32_t inst) {
   // The offset is off by 8 due to the way the ARM CPUs read PC.
   offset -= Instr::kPCReadOffset;
 
   if (!CanEncodeBranchOffset(offset)) {
     ASSERT(!use_far_branches());
-    Isolate::Current()->long_jump_base()->Jump(
+    Thread::Current()->long_jump_base()->Jump(
         1, Object::branch_offset_error());
   }
 
   // Properly preserve only the bits supported in the instruction.
   offset >>= 2;
   offset &= kBranchOffsetMask;
   return (inst & ~kBranchOffsetMask) | offset;
 }
 
 
@@ skipping 1593 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM