fix corner case in `collapse_vars` (#3527)
authorAlex Lam S.L <alexlamsl@gmail.com>
Fri, 25 Oct 2019 21:41:02 +0000 (05:41 +0800)
committerGitHub <noreply@github.com>
Fri, 25 Oct 2019 21:41:02 +0000 (05:41 +0800)
commit85237b08d46c62a97c9b338c4e62d71cdba76e24
treef49863e73bab96aa00bd8ab780929a38be6bf9cf
parent27b159e711b1f0fc0a3c75672d9db33dfe023d67
fix corner case in `collapse_vars` (#3527)

fixes #3526
lib/compress.js
test/compress/collapse_vars.js