Fixes ARM SIMD IL bug.

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 3290 matching lines @@
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4SqrtInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   QRegister left = locs()->in(0).fpu_reg();
   QRegister result = locs()->out().fpu_reg();
+  QRegister temp = locs()->temp(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Sqrt:
-      __ Vsqrtqs(result, left);
+      __ Vsqrtqs(result, left, temp);
       break;
     case MethodRecognizer::kFloat32x4Reciprocal:
       __ Vreciprocalqs(result, left);
       break;
     case MethodRecognizer::kFloat32x4ReciprocalSqrt:
       __ VreciprocalSqrtqs(result, left);
       break;
     default: UNREACHABLE();
   }
 }
@@ skipping 1324 matching lines @@
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM