Fix ARM bug introduced in r12604 that caused crashes on ARM

src/arm/code-stubs-arm.cc

 // Copyright 2012 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 7543 matching lines @@
   // and value is Smi.
   __ bind(&smi_element);
   __ ldr(r5, FieldMemOperand(r1, JSObject::kElementsOffset));
   __ add(r6, r5, Operand(r3, LSL, kPointerSizeLog2 - kSmiTagSize));
   __ str(r0, FieldMemOperand(r6, FixedArray::kHeaderSize));
   __ Ret();
 
   // Array literal has ElementsKind of FAST_DOUBLE_ELEMENTS.
   __ bind(&double_elements);
   __ ldr(r5, FieldMemOperand(r1, JSObject::kElementsOffset));
-  __ StoreNumberToDoubleElements(r0, r3, r1, r5, r6, r7, r9, r2,
+  __ StoreNumberToDoubleElements(r0, r3, r1,
+                                 // Overwrites all regs after this.
+                                 r5, r6, r7, r9, r2,
                                  &slow_elements);
   __ Ret();
 }
 
 
 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
   if (entry_hook_ != NULL) {
     ProfileEntryHookStub stub;
     __ push(lr);
     __ CallStub(&stub);
@@ skipping 48 matching lines @@
 
   __ Pop(lr, r5, r1);
   __ Ret();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM