Use the correct value offset for Float64x2 on ARM

runtime/vm/intermediate_language_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"  // Needed here to get TARGET_ARCH_ARM.
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 3078 matching lines @@
   DRegister value_even = EvenDRegisterOf(value);
   DRegister value_odd = OddDRegisterOf(value);
 
   __ TryAllocate(compiler->float64x2_class(),
                  slow_path->entry_label(),
                  out_reg,
                  locs()->temp(0).reg());
   __ Bind(slow_path->exit_label());
 
   __ StoreDToOffset(value_even, out_reg,
-      Float32x4::value_offset() - kHeapObjectTag);
+      Float64x2::value_offset() - kHeapObjectTag);
   __ StoreDToOffset(value_odd, out_reg,
-      Float32x4::value_offset() + 2 * kWordSize - kHeapObjectTag);
+      Float64x2::value_offset() + 2 * kWordSize - kHeapObjectTag);
 }
 
 
 LocationSummary* UnboxFloat64x2Instr::MakeLocationSummary(bool opt) const {
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kFloat64x2Cid ? 0 : 1;
   LocationSummary* summary =
       new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
@@ skipping 1909 matching lines @@
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM