pbc-backref branch ready for testing/merging

[chromatic]

On Friday 14 January 2011 at 18:43, Peter Lobsinger wrote:

> moritz++ also reports that rakudo spectest is noticeably faster,
> however I have been unable to reproduce anything beyond roughly a 10%
> improvement (still feels downright glacial to me).

All Rakudo tests pass for me as well, and they ran in with TEST_JOBS=9 in 442 
seconds.

A similarly parallel coretest in Rakudo runs in 6 seconds.

-- c