From: Mihai Bazon <mihai@bazon.net>
Date: Wed, 3 Oct 2012 08:34:05 +0000 (+0300)
Subject: fix for `a = !b && !c && !d && !e → a=!(b||c||d||e)`
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=0678ae2076a9f817ecb8837279c24cf54ea819c2;p=UglifyJS.git

fix for `a = !b && !c && !d && !e → a=!(b||c||d||e)`
---

diff --git a/lib/compress.js b/lib/compress.js
index 41578c14..16812571 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1416,7 +1416,8 @@ merge(Compressor.prototype, {
                 return exp[0];
         }
         if (compressor.option("comparisons")) {
-            if (!(compressor.parent() instanceof AST_Binary)) {
+            if (!(compressor.parent() instanceof AST_Binary)
+                || compressor.parent() instanceof AST_Assign) {
                 var negated = make_node(AST_UnaryPrefix, self, {
                     operator: "!",
                     expression: self.negate(compressor)