On 3 February 2015 at 15:02, Andrea Faulds <a...@ajf.me> wrote:
>
> Why would it be promoted?! The high bit is the 63rd bit. It fits within a 
> long.

because

On 3 February 2015 at 16:08, Andrea Faulds <a...@ajf.me> wrote:
>
> $ sapi/cli/php -r '$x = 1 << 63; debug_zval_dump($x);'
> bigint(9223372036854775808) refcount(2)

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