fix corner case in `collapse_vars` (#4217)
authorAlex Lam S.L <alexlamsl@gmail.com>
Tue, 13 Oct 2020 23:18:26 +0000 (00:18 +0100)
committerGitHub <noreply@github.com>
Tue, 13 Oct 2020 23:18:26 +0000 (07:18 +0800)
commit9f8106e1d845f66033c3c73e2e3844cf32fd4bb2
tree57013216b12a1220b4904d829cfa33f8bc80093c
parentb7b8435721a07bebec9fca513700cc2af31ed175
fix corner case in `collapse_vars` (#4217)

fixes #4216
lib/compress.js
lib/output.js
test/compress/const.js