[parrot/parrot] df04d4: [pmc] rpa: optimize splice shrink fast on offset

[GitHub]

  Branch: refs/heads/smoke-me/rpa-offset-gh1152
  Home:   https://github.com/parrot/parrot
  Commit: df04d4d352dd77adf2d45581d59f9a5b32f002c9
      https://github.com/parrot/parrot/commit/df04d4d352dd77adf2d45581d59f9a5b32f002c9
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2014-11-30 (Sun, 30 Nov 2014)

  Changed paths:
    M src/pmc/resizablepmcarray.pmc

  Log Message:
  -----------
  [pmc] rpa: optimize splice shrink fast on offset

if there is enough room at the left to fill in the elements
from from, adjust offset and jump to the fill routine

this optimization is not present in qrpa, and executed e.g.
in data_json.