Erroneous pointer/smi comparison

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 4732 matching lines @@
   __ b(eq, &done);
   __ CompareRoot(r3, Heap::kUndefinedValueRootIndex);
   __ b(eq, &done);
 
   // Special handling of the Array() function, which caches not only the
   // monomorphic Array function but the initial ElementsKind with special
   // sentinels
   Handle<Object> terminal_kind_sentinel =
       TypeFeedbackCells::MonomorphicArraySentinel(masm->isolate(),
                                                   LAST_FAST_ELEMENTS_KIND);
+  __ JumpIfNotSmi(r3, &miss);
   __ cmp(r3, Operand(terminal_kind_sentinel));
   __ b(gt, &miss);
   // Make sure the function is the Array() function
   __ LoadArrayFunction(r3);
   __ cmp(r1, r3);
   __ b(ne, &megamorphic);
   __ jmp(&done);
 
   __ bind(&miss);
 
@@ skipping 2646 matching lines @@
      __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM