fix corner case in `reduce_vars` (#4189)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 7 Oct 2020 14:01:39 +0000 (15:01 +0100)
committerGitHub <noreply@github.com>
Wed, 7 Oct 2020 14:01:39 +0000 (22:01 +0800)
commit9c0feb69e5cdd3d491c6b0600fc964a41a774710
treedf6b2bb2d84ddc47661359a7e1ff5ec9c27eea1f
parentbc6e105174eb67547c2bd988899e4c4f2d8f6ada
fix corner case in `reduce_vars` (#4189)

fixes #4188
lib/compress.js
lib/scope.js
test/compress/reduce_vars.js