fix corner case in `merge_vars` (#4407)
authorAlex Lam S.L <alexlamsl@gmail.com>
Fri, 18 Dec 2020 16:52:37 +0000 (16:52 +0000)
committerGitHub <noreply@github.com>
Fri, 18 Dec 2020 16:52:37 +0000 (00:52 +0800)
commit44e494f16f5ce7fc1272e6ca6ae227f77623c2f9
treec20e467ce792c1857369a617e41e0ab4fa2ab618
parent2415a72e755c7685c677c2edf0c1e91fbed54e2e
fix corner case in `merge_vars` (#4407)

fixes #4406
lib/compress.js
test/compress/async.js