fix corner case in `collapse_vars` (#4041)
authorAlex Lam S.L <alexlamsl@gmail.com>
Thu, 6 Aug 2020 12:30:28 +0000 (13:30 +0100)
committerGitHub <noreply@github.com>
Thu, 6 Aug 2020 12:30:28 +0000 (20:30 +0800)
commita8e286f7e1edcdf9b42b057319963c6ed3c47348
tree6630b7d14a8a42a2f5be32f74e1bd59a3b2e7d2f
parent9b05494ebcbcc40a6682cf570aa183f045244650
fix corner case in `collapse_vars` (#4041)

fixes #4040
lib/compress.js
test/compress/collapse_vars.js