drop `unused` builtin globals under `unsafe` (#2236)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sat, 15 Jul 2017 07:16:11 +0000 (15:16 +0800)
committerGitHub <noreply@github.com>
Sat, 15 Jul 2017 07:16:11 +0000 (15:16 +0800)
commita5ffe2c23fdfaf13f3466a01d9dd9d590c5e8672
tree1c208aca7fc34b06470755bb9127da40b91347c7
parent9282e7b0c6f20bc95ba3d2bab2bbaccebab03c9a
drop `unused` builtin globals under `unsafe` (#2236)

fixes #2233
lib/compress.js
lib/scope.js
test/compress/dead-code.js