Add missing PHI barrier to string.sub(str, a, b) == kstr FOLD rule.
treef844f2d0e3a8f9e8bbd1a0a4864e9578fd56cb7b
-rw-r--r-- 71 .gitignore
-rw-r--r-- 2932 COPYRIGHT
-rw-r--r-- 5429 Makefile
-rw-r--r-- 441 README
drwxr-xr-x - doc
drwxr-xr-x - dynasm
drwxr-xr-x - etc
drwxr-xr-x - src