fix corner case in `collapse_vars` (#3627)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 4 Dec 2019 16:59:57 +0000 (00:59 +0800)
committerGitHub <noreply@github.com>
Wed, 4 Dec 2019 16:59:57 +0000 (00:59 +0800)
commitbf7e4ca1a3b1305308c66fcdf188d31a398c4ba2
tree4ecd673e8b914fae92d7b86efb226ee0d1f6bbd6
parentd68ddc31f94074e09c661cb79ea43cef9adb44e6
fix corner case in `collapse_vars` (#3627)

fixes #3626
lib/compress.js
test/compress/collapse_vars.js