From 3aa765e4296c4caf2f3b2b3e6b43b65caf05a28f Mon Sep 17 00:00:00 2001 From: "Alex Lam S.L" Date: Wed, 26 Aug 2020 12:45:38 +0100 Subject: fix corner case in `evaluate` (#4078) fixes #4077 --- lib/compress.js | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/compress.js b/lib/compress.js index a1f3d50c..cd790db3 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -3502,7 +3502,8 @@ merge(Compressor.prototype, { var left = this.left._eval(compressor, ignore_side_effects, cached, depth); if (left === this.left) return this; if (this.operator == (left ? "||" : "&&")) return left; - var right = this.right._eval(compressor, ignore_side_effects, cached, depth); + var rhs_ignore_side_effects = ignore_side_effects && !(left && typeof left == "object"); + var right = this.right._eval(compressor, rhs_ignore_side_effects, cached, depth); if (right === this.right) return this; var result; switch (this.operator) { -- cgit v1.2.3