From 2f3bddbacaaafb73ed046090a74ce6558c54a218 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Tue, 2 Jan 2018 01:24:23 +0800
Subject: scan within IIFEs of assigned values (#2702)

fixes #2701
---
 lib/compress.js            |  5 ++---
 test/compress/dead-code.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/lib/compress.js b/lib/compress.js
index ee80901e..73cc9d7b 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -4913,9 +4913,8 @@ merge(Compressor.prototype, {
             if (reachable) return true;
             if (node instanceof AST_Scope && node !== self) {
                 var parent = scan_scope.parent();
-                if (!(parent instanceof AST_Call && parent.expression === node)) {
-                    node.walk(find_ref);
-                }
+                if (parent instanceof AST_Call && parent.expression === node) return;
+                node.walk(find_ref);
                 return true;
             }
         });
diff --git a/test/compress/dead-code.js b/test/compress/dead-code.js
index 68ee4b12..32bb88e6 100644
--- a/test/compress/dead-code.js
+++ b/test/compress/dead-code.js
@@ -881,3 +881,31 @@ issue_2692: {
     }
     expect_stdout: "function"
 }
+
+issue_2701: {
+    options = {
+        dead_code: true,
+        inline: false,
+    }
+    input: {
+        function f(a) {
+            return a = function() {
+                return function() {
+                    return a;
+                };
+            }();
+        }
+        console.log(typeof f()());
+    }
+    expect: {
+        function f(a) {
+            return a = function() {
+                return function() {
+                    return a;
+                };
+            }();
+        }
+        console.log(typeof f()());
+    }
+    expect_stdout: "function"
+}
-- 
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<tr><td><span title='2022-12-13 13:42:11 +0000'>2022-12-13</span></td><td><a href='/guix/commit/gnu/packages/tmux.scm?id=866eb7fffbb4a011808d8231243c39c4d5e0f004'>gnu: Add tmux-plugin-resurrect.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/tmux.scm (tmux-plugin-resurrect): New variable.

Signed-off-by: Christopher Baines &lt;mail@cbaines.net&gt;
</span></span></td><td>EuAndreh</td></tr>
<tr><td><span title='2022-10-16 02:00:13 +0200'>2022-10-16</span></td><td><a href='/guix/commit/gnu/packages/tmux.scm?id=88746cd80bc56212ae7922c0fa1cd9a18e44c3bb'>gnu: tmux: Update to 3.3a.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/tmux.scm (tmux): Update to 3.3a.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Greg Hogan</td></tr>