fix corner case in `collapse_vars` (#3892)
authorAlex Lam S.L <alexlamsl@gmail.com>
Tue, 12 May 2020 14:28:55 +0000 (15:28 +0100)
committerGitHub <noreply@github.com>
Tue, 12 May 2020 14:28:55 +0000 (22:28 +0800)
commit76f40e25285e017d95780dac61e1f8fef395e8c2
treeb3d8a5b8a1078c6895f08e52b706d3e6763d2987
parent8024f7f7a86023cf68f1f1b2496ec38c8bc200d8
fix corner case in `collapse_vars` (#3892)

fixes #3891
lib/compress.js
test/compress/collapse_vars.js