fix corner case in `collapse_vars` (#3652)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sun, 29 Dec 2019 00:57:59 +0000 (00:57 +0000)
committerGitHub <noreply@github.com>
Sun, 29 Dec 2019 00:57:59 +0000 (00:57 +0000)
commit2f3930d1b92746be6a3b3e1d371b0ae25e56777e
treead51c3dab21a6c88d39fedab202315a9b4942cb4
parentd1a78920d9b85074fd4e9b0d07556a7a266631e8
fix corner case in `collapse_vars` (#3652)

fixes #3651
lib/compress.js
test/compress/collapse_vars.js