fix corner case in `collapse_vars` (#4686)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 24 Feb 2021 21:31:12 +0000 (21:31 +0000)
committerGitHub <noreply@github.com>
Wed, 24 Feb 2021 21:31:12 +0000 (05:31 +0800)
commit72805ea73a18a93793b0f3f5c64512a057d46e94
tree987988c72a99886d5b1c490b6684f146944c7ff1
parenta5e6946f74333fc201e76bcba49d0b160edb4448
fix corner case in `collapse_vars` (#4686)

fixes #4685
lib/compress.js
test/compress/arrows.js