From 10648c9af66364697f0f51219b0497fdfcb6dd34 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Fri, 8 Nov 2019 13:45:28 +0800
Subject: enhance `dead_code` (#3575)

---
 test/compress/dead-code.js | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'test')

diff --git a/test/compress/dead-code.js b/test/compress/dead-code.js
index 93fc9f41..abc7384d 100644
--- a/test/compress/dead-code.js
+++ b/test/compress/dead-code.js
@@ -1064,3 +1064,41 @@ issue_3552: {
     }
     expect_stdout: "PASS"
 }
+
+unreachable_assign: {
+    options = {
+        dead_code: true,
+    }
+    input: {
+        console.log(A = "P" + (A = "A" + (B = "S" + (A = B = "S"))), A, B);
+    }
+    expect: {
+        console.log(A = "P" + "A" + (B = "S" + "S"), A, B);
+    }
+    expect_stdout: "PASS PASS SS"
+}
+
+catch_return_assign: {
+    options = {
+        dead_code: true,
+    }
+    input: {
+        console.log(function() {
+            try {
+                throw "FAIL";
+            } catch (e) {
+                return e = "PASS";
+            }
+        }());
+    }
+    expect: {
+        console.log(function() {
+            try {
+                throw "FAIL";
+            } catch (e) {
+                return "PASS";
+            }
+        }());
+    }
+    expect_stdout: "PASS"
+}
-- 
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