From 73e6b2550bf0cc08e4bc95ac1e1d3b8b650c5bf8 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Sat, 13 Mar 2021 20:39:30 +0000
Subject: fix corner cases with `yield` (#4771)

fixes #4769
---
 test/compress/yields.js | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'test/compress')

diff --git a/test/compress/yields.js b/test/compress/yields.js
index dc3dacf5..06f46c9d 100644
--- a/test/compress/yields.js
+++ b/test/compress/yields.js
@@ -950,3 +950,43 @@ issue_4641_2: {
     ]
     node_version: ">=10"
 }
+
+issue_4769_1: {
+    options = {
+        side_effects: true,
+    }
+    input: {
+        console.log(function*() {
+            (function({} = yield => {}) {})();
+        }().next().done);
+    }
+    expect: {
+        console.log(function*() {
+            (function({} = yield => {}) {})();
+        }().next().done);
+    }
+    expect_stdout: "true"
+    node_version: ">=6"
+}
+
+issue_4769_2: {
+    options = {
+        inline: true,
+    }
+    input: {
+        console.log(function*() {
+            return function({} = yield => {}) {
+                return "PASS";
+            }();
+        }().next().value);
+    }
+    expect: {
+        console.log(function*() {
+            return function({} = yield => {}) {
+                return "PASS";
+            }();
+        }().next().value);
+    }
+    expect_stdout: "PASS"
+    node_version: ">=6"
+}
-- 
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