fix `AST_Scope.clone()` (#2803)
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 17 Jan 2018 13:33:13 +0000 (21:33 +0800)
committerGitHub <noreply@github.com>
Wed, 17 Jan 2018 13:33:13 +0000 (21:33 +0800)
commit07e4b64f3a8439a9491cc7a277872e0a5d79a29b
tree6a2be087889003300ea1a17fcef7ce6ecf197c6b
parentd3ce2bc9e73d9d98b34b261d282a18b9ce9d5880
fix `AST_Scope.clone()` (#2803)

fixes #2799
lib/ast.js
lib/utils.js
test/compress/reduce_vars.js