From 46570a4eb6a7251035fd70ec8ebb4402c7a945a9 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Sat, 12 Mar 2022 06:14:30 +0000
Subject: [PATCH] fix corner case in `side_effects` (#5383)

fixes #5382
---
 lib/compress.js          |  1 -
 test/compress/spreads.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/lib/compress.js b/lib/compress.js
index 6f4d46fc..13a7973b 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -5426,7 +5426,6 @@ Compressor.prototype.compress = function(node) {
                 return !(prop instanceof AST_ObjectGetter || prop instanceof AST_Spread);
             });
         });
-        def(AST_ObjectIdentity, return_true);
         def(AST_Sequence, function() {
             return this.tail_node().safe_to_spread();
         });
diff --git a/test/compress/spreads.js b/test/compress/spreads.js
index 49ebc2a8..82658dfe 100644
--- a/test/compress/spreads.js
+++ b/test/compress/spreads.js
@@ -1166,3 +1166,31 @@ issue_5006: {
     expect_stdout: "PASS"
     node_version: ">=6"
 }
+
+issue_5382: {
+    options = {
+        side_effects: true,
+    }
+    input: {
+        ({
+            f() {
+                ({ ...this });
+            },
+            get p() {
+                console.log("PASS");
+            },
+        }).f();
+    }
+    expect: {
+        ({
+            f() {
+                ({ ...this });
+            },
+            get p() {
+                console.log("PASS");
+            },
+        }).f();
+    }
+    expect_stdout: "PASS"
+    node_version: ">=8.3.0"
+}