Fix a bug in optimized ARM code.

runtime/vm/intermediate_language_arm.cc

Index: runtime/vm/intermediate_language_arm.cc
===================================================================
--- runtime/vm/intermediate_language_arm.cc	(revision 23151)
+++ runtime/vm/intermediate_language_arm.cc	(working copy)
@@ -527,6 +527,7 @@
         __ LoadObject(result, Bool::False(), NegateCondition(cond));
       }
     } else {
+      __ PushList((1 << R0) | (1 << R1));
       const int kNumberOfArguments = 2;
       const Array& kNoArgumentNames = Array::Handle();
       compiler->GenerateStaticCall(deopt_id,
@@ -2530,7 +2531,8 @@
   }
 
   // Load receiver into R0.
-  __ ldr(R0, Address(SP, (instance_call()->ArgumentCount() - 1) * kWordSize));
+  __ LoadFromOffset(kLoadWord, R0, SP,
+                    (instance_call()->ArgumentCount() - 1) * kWordSize);
 
   LoadValueCid(compiler, R2, R0,
                (ic_data().GetReceiverClassIdAt(0) == kSmiCid) ? NULL : deopt);