fix corner case in `merge_vars` (#4258)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sun, 1 Nov 2020 17:01:00 +0000 (17:01 +0000)
committerGitHub <noreply@github.com>
Sun, 1 Nov 2020 17:01:00 +0000 (01:01 +0800)
commite7643248a314244caeae8464ae5b713ede5b2e3d
tree13efca8e3107c70d0ec65aa2d850fbce0556327b
parent68091dbf699bc575f73d60fd202c6da3eae4b272
fix corner case in `merge_vars` (#4258)

fixes #4257
lib/compress.js
test/compress/merge_vars.js