[PATCH] Suppress imprecision warnings from t/op/64bitint.t

The attached patch suppresses the following warnings in the test suite:

[09:50:28] t/op/64bitint.................................................Lost
precision when decrementing -9223372036854775808.000000 by 1 at
op/64bitint.t line 175.
Lost precision when decrementing -9223372036854775808.000000 by 1 at
op/64bitint.t line 181.
Lost precision when decrementing -9223372036854775808.000000 by 1 at
op/64bitint.t line 194.
Lost precision when decrementing -9223372036854775808.000000 by 1 at
op/64bitint.t line 201.
Lost precision when decrementing -9223372036854775808.000000 by 1 at
op/64bitint.t line 215.
Lost precision when decrementing -9223372036854775808.000000 by 1 at
op/64bitint.t line 222.
ok

• [PATCH] Suppress imprecision warnings from t/op/64bitint.t by Jerry D. Hedden
• Re: [PATCH] Suppress imprecision warnings from t/op/64bitint.t by Nicholas Clark