fix compile error in doublearray code on ARM

src/arm/code-stubs-arm.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 511 matching lines @@
 
 
 void FloatingPointHelper::ConvertIntToDouble(MacroAssembler* masm,
                                              Register int_scratch,
                                              Destination destination,
                                              DwVfpRegister double_dst,
                                              Register dst1,
                                              Register dst2,
                                              Register scratch2,
                                              SwVfpRegister single_scratch) {
-  ASSERT(!smi_scratch.is(scratch2));
+  ASSERT(!int_scratch.is(scratch2));
 
   Label done;
 
   if (CpuFeatures::IsSupported(VFP3)) {
     CpuFeatures::Scope scope(VFP3);
     __ vmov(single_scratch, int_scratch);
     __ vcvt_f64_s32(double_dst, single_scratch);
     if (destination == kCoreRegisters) {
       __ vmov(dst1, dst2, double_dst);
     }
@@ skipping 5228 matching lines @@
   __ str(pc, MemOperand(sp, 0));
   __ Jump(target);  // Call the C++ function.
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM