#2052 Replace outdated commands in synthesis scripts Issue created by donn Description First reported in #1523 (and mistakenly closed) then resurfaced as #2050: The commands

refactor

and

rewrite

are considered broken by the Yosys team: see this comment from @jix. YosysHQ/yosys#4039 (comment) Proposal

drf

and

drw

are offered as "drop-in" replacements. If

refactor

and

rewrite

are in a state of disrepair, they should be replaced (at the very least for OpenLane 2.) We are, however, weary of unintended side effects. ABC scripts tend to be… incredibly opaque and moody. This will need to be discussed. The-OpenROAD-Project/OpenLane