From d40631fd44165936158633cc81c4d62cc2a6a5a9 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Fri, 28 May 2021 18:47:54 +0100
Subject: fix corner cases in `awaits` (#4976)

fixes #4974
fixes #4975
---
 test/compress/awaits.js | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'test/compress')

diff --git a/test/compress/awaits.js b/test/compress/awaits.js
index e1b2805c..612cf8b5 100644
--- a/test/compress/awaits.js
+++ b/test/compress/awaits.js
@@ -1682,3 +1682,47 @@ issue_4972_3: {
     ]
     node_version: ">=8"
 }
+
+issue_4974: {
+    options = {
+        awaits: true,
+        side_effects: true,
+    }
+    input: {
+        (async function f() {
+            return 42 in f();
+        })();
+        console.log("PASS");
+    }
+    expect: {
+        (async function f() {
+            return 42 in f();
+        })();
+        console.log("PASS");
+    }
+    expect_stdout: true
+    node_version: ">=8"
+}
+
+issue_4975: {
+    options = {
+        awaits: true,
+        side_effects: true,
+    }
+    input: {
+        (async function f(a) {
+            try {
+                if (a) console.log(typeof f());
+            } catch (e) {}
+        })(42);
+    }
+    expect: {
+        (async function f(a) {
+            try {
+                if (a) console.log(typeof f());
+            } catch (e) {}
+        })(42);
+    }
+    expect_stdout: "object"
+    node_version: ">=8"
+}
-- 
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