fix corner case in `unused` (#3665)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 1 Jan 2020 12:24:30 +0000 (20:24 +0800)
committerGitHub <noreply@github.com>
Wed, 1 Jan 2020 12:24:30 +0000 (20:24 +0800)
commit746f5f6c62c113ce89981f70ec5de8c8b78016da
treea8fc4e98b0d7a8673a845c348031a477c7e84c9c
parentd83d3d741ac8ea41a3776c9ca8d60e752180d420
fix corner case in `unused` (#3665)

fixes #3664
lib/compress.js
test/compress/drop-unused.js