fix corner case in `collapse_vars` (#3672)
authorAlex Lam S.L <alexlamsl@gmail.com>
Tue, 7 Jan 2020 11:34:16 +0000 (19:34 +0800)
committerGitHub <noreply@github.com>
Tue, 7 Jan 2020 11:34:16 +0000 (19:34 +0800)
commit4d6771b9b1d89f0b49625795a92267d6e59dd064
treea7c310734d1bdc81bc4a3836b133b6e554c29411
parentd17191111a24988195c364ccf7b71251440175ee
fix corner case in `collapse_vars` (#3672)

fixes #3671
lib/compress.js
test/compress/collapse_vars.js