From: Clifford Wolf <clifford@clifford.at>
Date: Thu, 3 Oct 2019 10:06:12 +0000 (+0200)
Subject: Merge pull request #1419 from YosysHQ/eddie/lazy_derive
X-Git-Tag: working-ls180~1019
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=468b8a5178043da08fad3ea21c18eb0de6a7baf4;p=yosys.git

Merge pull request #1419 from YosysHQ/eddie/lazy_derive

module->derive() to be lazy and not touch ast if already derived
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468b8a5178043da08fad3ea21c18eb0de6a7baf4