## Function: COMMON-LISP:BIT-EQV
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> Perform a bit-wise LOGEQV on the elements of BIT-ARRAY-1 and BIT-ARRAY-2,
> putting the results in RESULT-BIT-ARRAY. If RESULT-BIT-ARRAY is T,
> BIT-ARRAY-1 is used. If RESULT-BIT-ARRAY is NIL or omitted, a new array is
> created. All the arrays must have the same rank and dimensions.

### Lambda list
```cl
(sb-vm::bit-array-1 sb-vm::bit-array-2 &optional sb-vm::result-bit-array)
```