[arm] Fix typo in FastNewRestParameterStub::Generate.

src/arm/code-stubs-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 4532 matching lines @@
     __ str(r1, FieldMemOperand(r4, JSArray::kPropertiesOffset));
     __ str(r3, FieldMemOperand(r4, JSArray::kElementsOffset));
     __ str(r0, FieldMemOperand(r4, JSArray::kLengthOffset));
     STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize);
     __ mov(r0, r4);
     __ Ret();
 
     // Fall back to %AllocateInNewSpace (if not too big).
     Label too_big_for_new_space;
     __ bind(&allocate);
-    __ cmp(r1, Operand(Page::kMaxRegularHeapObjectSize));
+    __ cmp(r6, Operand(Page::kMaxRegularHeapObjectSize));
     __ b(gt, &too_big_for_new_space);
     {
       FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-      __ SmiTag(r1);
-      __ Push(r0, r2, r1);
+      __ SmiTag(r6);
+      __ Push(r0, r2, r6);
       __ CallRuntime(Runtime::kAllocateInNewSpace);
       __ mov(r3, r0);
       __ Pop(r0, r2);
     }
     __ jmp(&done_allocate);
 
     // Fall back to %NewRestParameter.
     __ bind(&too_big_for_new_space);
     __ push(r1);
     __ TailCallRuntime(Runtime::kNewRestParameter);
@@ skipping 797 matching lines @@
   CallApiFunctionAndReturn(masm, api_function_address, thunk_ref,
                            kStackUnwindSpace, NULL, return_value_operand, NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM