Updated 2/2 in patch series, 1/2 unchanged:

1. http://80x24.org/spew/m/opt_str_lit-v8-prepare / 0.txt
   (allow disabling existing optimizations) [unchanged]

2. http://80x24.org/spew/m/opt_str_lit-v9 / 1.txt
   Changes since -v8:
    * rebased on r48458 and updated deps