fix corner case in `collapse_vars` (#3701)
authorAlex Lam S.L <alexlamsl@gmail.com>
Thu, 30 Jan 2020 01:04:44 +0000 (09:04 +0800)
committerGitHub <noreply@github.com>
Thu, 30 Jan 2020 01:04:44 +0000 (09:04 +0800)
commit79c60032a55b518e07acb45237e527b4fe61c8e6
tree75ee56238ebb10f04ebc2c512a903252c11f4977
parenta3754068dde7a51ab41b59a6d8a17a3a8c022564
fix corner case in `collapse_vars` (#3701)

fixes #3700
lib/compress.js
test/compress/collapse_vars.js