From b1e05fd48afd9aceaa00cc621a8f6ac22c097398 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Tue, 2 Mar 2021 09:39:34 +0000
Subject: fix corner case in `inline` & `sequences` (#4718)

fixes #4717
---
 test/compress/awaits.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'test')

diff --git a/test/compress/awaits.js b/test/compress/awaits.js
index 77735991..974134c6 100644
--- a/test/compress/awaits.js
+++ b/test/compress/awaits.js
@@ -1246,3 +1246,37 @@ issue_4618: {
     expect_stdout: "function"
     node_version: ">=8"
 }
+
+issue_4717: {
+    options = {
+        inline: true,
+        reduce_vars: true,
+        sequences: true,
+        side_effects: true,
+        unused: true,
+    }
+    input: {
+        (function() {
+            async function f() {
+                var a = function() {
+                    await;
+                }();
+                return "FAIL";
+            }
+            return f();
+        })().then(console.log).catch(function() {
+            console.log("PASS");
+        });
+    }
+    expect: {
+        (async function() {
+            return function() {
+                await;
+            }(), "FAIL";
+        })().then(console.log).catch(function() {
+            console.log("PASS");
+        });
+    }
+    expect_stdout: "PASS"
+    node_version: ">=8"
+}
-- 
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