From: Alex Lam S.L <alexlamsl@gmail.com>
Date: Mon, 21 Sep 2020 22:49:41 +0000 (+0100)
Subject: fix corner case in `merge_vars` (#4140)
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=0e3da27727194f6aaab5a08913008b0fc4153501;p=UglifyJS.git

fix corner case in `merge_vars` (#4140)

fixes #4139
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0e3da27727194f6aaab5a08913008b0fc4153501