fix corner case in `merge_vars` (#4254)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sun, 1 Nov 2020 02:37:21 +0000 (02:37 +0000)
committerGitHub <noreply@github.com>
Sun, 1 Nov 2020 02:37:21 +0000 (10:37 +0800)
commitcbf7269296896bdaf7cc29ec20e41434b5e6365a
treed6b2bdc39cad1be9f850ca125a6303b2674153ef
parentd8563caba714bc8abf22a464a2cbc0e29aeaf434
fix corner case in `merge_vars` (#4254)

fixes #4253
lib/compress.js
test/compress/merge_vars.js