account for cross-scope modifications in `collapse_vars` (#1634)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 22 Mar 2017 23:17:34 +0000 (07:17 +0800)
committerGitHub <noreply@github.com>
Wed, 22 Mar 2017 23:17:34 +0000 (07:17 +0800)
commit48ffbef51d914824916f387d756b263c341f032e
tree33529fa57d7a7d54bf0d87fc1f1db6d906b13de0
parentc0f3feae9f251abbea5ae1198e1a6784dd3261f7
account for cross-scope modifications in `collapse_vars` (#1634)

mostly done by @kzc

fixes #1631
lib/compress.js
test/compress/collapse_vars.js
test/mocha/glob.js