handle LHS side-effects on `cascade` & `collapse_vars` (#2314)
authorAlex Lam S.L <alexlamsl@gmail.com>
Sat, 16 Sep 2017 03:45:19 +0000 (11:45 +0800)
committerGitHub <noreply@github.com>
Sat, 16 Sep 2017 03:45:19 +0000 (11:45 +0800)
commit4f0953f7e9bc4d1bb704369e0e20771f7c19caaf
treef44889aa4fc7407a3b8c9e668b3da743b258e950
parent182a47bfb1d49a99a561253edc05e70a6dc5b8e8
handle LHS side-effects on `cascade` & `collapse_vars` (#2314)

fixes #2313
lib/compress.js
test/compress/collapse_vars.js
test/compress/pure_getters.js
test/compress/sequences.js