fix corner case in `collapse_vars` (#3745)
authorAlex Lam S.L <alexlamsl@gmail.com>
Fri, 6 Mar 2020 18:27:06 +0000 (18:27 +0000)
committerGitHub <noreply@github.com>
Fri, 6 Mar 2020 18:27:06 +0000 (18:27 +0000)
commitbdc8ef221802a4da600ff1cdca34e9cc5c5fafc2
treef1a12c9a8d5f6439bca36a138ed43a0bf1aabda2
parentbca52fcba2a99433ce0e30ef7357bd46b676380c
fix corner case in `collapse_vars` (#3745)

fixes #3744
lib/compress.js
test/compress/collapse_vars.js