fix corner case in `merge_vars` (#4136)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sun, 20 Sep 2020 15:54:14 +0000 (16:54 +0100)
committerGitHub <noreply@github.com>
Sun, 20 Sep 2020 15:54:14 +0000 (23:54 +0800)
commit8fa470c17c56d62f971fa71fb1cb99e961b64d8e
treee0e319a5219509ea75507f8162aa260935c2ddcd
parent90410f9fc3538a5f267c38470490b83086d71b85
fix corner case in `merge_vars` (#4136)

fixes #4135
lib/compress.js
test/compress/merge_vars.js