fix corner case in `collapse_vars` (#4391)
authorAlex Lam S.L <alexlamsl@gmail.com>
Thu, 17 Dec 2020 19:10:16 +0000 (19:10 +0000)
committerGitHub <noreply@github.com>
Thu, 17 Dec 2020 19:10:16 +0000 (03:10 +0800)
commitab82be82b28c8fed0643569700d9b5ff2f093aea
treeb308e582f626519502f3b87fb2d7ab123c466620
parent02fdcfde01cf41cae9449dbde4ceb74564bb35f3
fix corner case in `collapse_vars` (#4391)

fixes #4390
lib/compress.js
test/compress/arrows.js