Pack RefData into 16 bytes.
commitaf02b04da1fca87669bd5bb40c0b017a1cfdc727
authorEdwin Smith <smith@fb.com>
Fri, 14 Feb 2014 18:41:02 +0000 (14 10:41 -0800)
committerSara Golemon <sgolemon@fb.com>
Sun, 16 Feb 2014 01:31:45 +0000 (15 17:31 -0800)
treec34f3865807108846262cb7a2e204c0d14088f36
parent7353fd35f83adca213b759a31ec6fdb22b9fc057
Pack RefData into 16 bytes.

Since DataType is always 1 byte, we can pack m_z and m_cow
without increasing sizeof(RefData).

Reviewed By: @markw65

Differential Revision: D1175740
hphp/runtime/base/ref-data.h