[PMC] Replaced some uses of get_string VTABLE internally with direct access to STRING attribute of String PMC; this avoids unnecessary COW and provides a modest benchmark improvement for Rakudo.
[PMC] Replaced some uses of get_string VTABLE internally with direct access to
STRING attribute of String PMC; this avoids unnecessary COW and provides a
modest benchmark improvement for Rakudo.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@44040 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot