[t] bignum.t - fix overflow Integer - add 2 tests for BigInt downgrading with divide by zero
[t] bignum.t
- fix overflow Integer
- add 2 tests for BigInt downgrading with divide by zero


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@37205 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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