fix corner case in `collapse_vars` (#3978)
authorAlex Lam S.L <alexlamsl@gmail.com>
Tue, 9 Jun 2020 11:07:20 +0000 (12:07 +0100)
committerGitHub <noreply@github.com>
Tue, 9 Jun 2020 11:07:20 +0000 (19:07 +0800)
commited7c82fa5eeffba48513f017ec8115e88b9638ac
tree40b60b135061c0bc5a3599d56f7e74bf56f31cde
parent3b273cecac77b672fd5f9a1d02cebc042b4b73ce
fix corner case in `collapse_vars` (#3978)

fixes #3976
lib/compress.js
test/compress/collapse_vars.js