fix corner case in `unused` (#4850)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 7 Apr 2021 22:31:15 +0000 (23:31 +0100)
committerGitHub <noreply@github.com>
Wed, 7 Apr 2021 22:31:15 +0000 (06:31 +0800)
commitebe4e1ad28009bdf5b2e936ed8d01d7d20704cc4
tree56f31e922c7ca460283a73ab5aa95ce1e6dd869b
parenta37ca558dd8d7f5243e061e216287793b9108911
fix corner case in `unused` (#4850)

fixes #4849
lib/compress.js
test/compress/exponentiation.js
test/compress/spreads.js