fix corner case in `reduce_vars` (#4569)
authorAlex Lam S.L <alexlamsl@gmail.com>
Mon, 18 Jan 2021 22:34:48 +0000 (22:34 +0000)
committerGitHub <noreply@github.com>
Mon, 18 Jan 2021 22:34:48 +0000 (06:34 +0800)
commitb57bae4b9e528ec7aeea7fd5768295a559cb5e5d
tree9226c609aba9ff4a04a6e1b70432a94f93f073a9
parente23a10f7f96cda932c605988d2d99bb5225d18a5
fix corner case in `reduce_vars` (#4569)

fixes #4568
lib/compress.js
test/compress/ie8.js
test/compress/reduce_vars.js