fix corner case in `reduce_vars` (#4031)
authorAlex Lam S.L <alexlamsl@gmail.com>
Fri, 31 Jul 2020 00:05:09 +0000 (01:05 +0100)
committerGitHub <noreply@github.com>
Fri, 31 Jul 2020 00:05:09 +0000 (08:05 +0800)
commitee632a5519078ac3fe97d0864731bea4bdad9365
treee6b8469bcec072d98849c2dca8ce3545011db2db
parentdfe47bcc42d0385577ecffa7fe312025e1369e7b
fix corner case in `reduce_vars` (#4031)

fixes #4030
lib/compress.js
test/compress/reduce_vars.js