[parrot/parrot] 2cb5b2: [config] default optimize to -O3 on gcc and msvc

[GitHub]

  Branch: refs/heads/smoke-me/env-gh1191
  Home:   https://github.com/parrot/parrot
  Commit: 2cb5b29ac99163d1b026074f4fc7a094d6f06cf2
      https://github.com/parrot/parrot/commit/2cb5b29ac99163d1b026074f4fc7a094d6f06cf2
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-26 (Mon, 26 Jan 2015)

  Changed paths:
    M config/init/optimize.pm

  Log Message:
  -----------
  [config] default optimize to -O3  on gcc and msvc

on win64 strawberry perl and msvc (--cc=cl) it would be empty otherwise