fix corner case in `collapse_vars` (#4869)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sat, 24 Apr 2021 21:16:51 +0000 (22:16 +0100)
committerGitHub <noreply@github.com>
Sat, 24 Apr 2021 21:16:51 +0000 (05:16 +0800)
commita1a212f6393f690180a606c0610a4ca9279522ad
treeec160564b9c3f44840b3d8f70f529eb10d3865cb
parenta2b1b96752c5f898539f8e28431461428c4c7731
fix corner case in `collapse_vars` (#4869)

fixes #4868
lib/compress.js
test/compress/collapse_vars.js