fix `unused` on var of the same name within catch (#1716)
authorAlex Lam S.L <alexlamsl@gmail.com>
Tue, 28 Mar 2017 13:25:49 +0000 (21:25 +0800)
committerGitHub <noreply@github.com>
Tue, 28 Mar 2017 13:25:49 +0000 (21:25 +0800)
commitc909ffb7156eb99e83afd8e1e75a876039bdc65b
treee1866f7038b6e23f78582438c2cd114b77519aea
parentf71f4905b004a559f0612e0e0928204f912a66bc
fix `unused` on var of the same name within catch (#1716)

fixes #1715
lib/compress.js
test/compress/drop-unused.js