fix corner case in `ie8` (#3198)
authorAlex Lam S.L <alexlamsl@gmail.com>
Fri, 22 Jun 2018 11:41:55 +0000 (19:41 +0800)
committeralexlamsl <alexlamsl@gmail.com>
Sat, 23 Jun 2018 20:00:36 +0000 (04:00 +0800)
commitab36b9b10a3e9923d76fdfba4f86cca1c07437d7
treef01a11eb7a9af629d3108678a43b8b289d4cd168
parent28330913d871dd4bdb4e59464c7230f9ae4174fa
fix corner case in `ie8` (#3198)

fixes #3197
lib/scope.js
test/compress/ie8.js