fix corner case in `collapse_vars` (#3574)
authorAlex Lam S.L <alexlamsl@gmail.com>
Thu, 7 Nov 2019 12:38:03 +0000 (20:38 +0800)
committerGitHub <noreply@github.com>
Thu, 7 Nov 2019 12:38:03 +0000 (20:38 +0800)
commit87e67ec29958a4167d5c202ae3a0fe4be1e10faf
treee0980c2c8fb6ab78abb2856ca10766bc0460d1d3
parent61a0dad9fe9a39245ff89a6c01bac8f1788f3293
fix corner case in `collapse_vars` (#3574)

fixes #3573
lib/compress.js
test/compress/collapse_vars.js