fix `TreeWalker` scan order (#3114)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 2 May 2018 16:27:45 +0000 (00:27 +0800)
committerGitHub <noreply@github.com>
Wed, 2 May 2018 16:27:45 +0000 (00:27 +0800)
commita0ca595c2c51809181908b9122992702aec888ab
tree4b5c0874a5935a8b29f44bc9317faa0a5171810b
parent1a314e9f60735634f85e56d7b003ee83707561f4
fix `TreeWalker` scan order (#3114)

fixes #3113
lib/ast.js
test/compress/reduce_vars.js