nodejs
diff --git a/Collapse file
‎lib/internal/process/pre_execution.js‎
Copy file name to clipboardExpand all lines: lib/internal/process/pre_execution.js
+2-1Lines changed: 2 additions & 1 deletion b/Collapse file
‎lib/internal/process/pre_execution.js‎
Copy file name to clipboardExpand all lines: lib/internal/process/pre_execution.js
+2-1Lines changed: 2 additions & 1 deletion
diff --git a/Collapse file
‎test/parallel/test-fetch.mjs‎
Copy file name to clipboardExpand all lines: test/parallel/test-fetch.mjs
+8Lines changed: 8 additions & 0 deletions b/Collapse file
‎test/parallel/test-fetch.mjs‎
Copy file name to clipboardExpand all lines: test/parallel/test-fetch.mjs
+8Lines changed: 8 additions & 0 deletions
@@ -292,7 +292,8 @@ function setupUndici() {
   }
 
   if (!getOptionValue('--no-experimental-fetch')) {
-    async function fetch(input, init = undefined) {
+    // Fetch is meant to return a Promise, but not be async.
+    function fetch(input, init = undefined) {
       return lazyUndici().fetch(input, init);
     }
 
 
@@ -10,6 +10,14 @@ assert.strictEqual(typeof globalThis.Headers, 'function');
 assert.strictEqual(typeof globalThis.Request, 'function');
 assert.strictEqual(typeof globalThis.Response, 'function');
 
+{
+  const asyncFunction = async function() {}.constructor;
+
+  assert.ok(!(fetch instanceof asyncFunction));
+  assert.notStrictEqual(Reflect.getPrototypeOf(fetch), Reflect.getPrototypeOf(async function() {}));
+  assert.strictEqual(Reflect.getPrototypeOf(fetch), Reflect.getPrototypeOf(function() {}));
+}
+
 const server = http.createServer(common.mustCall((req, res) => {
   res.end('Hello world');
 }));
Original file line number	Diff line number	Diff line change
`@@ -292,7 +292,8 @@ function setupUndici() {`
`292`	`292`	`}`
`293`	`293`
`294`	`294`	`if (!getOptionValue('--no-experimental-fetch')) {`
`295`		`- async function fetch(input, init = undefined) {`
	`295`	`+ // Fetch is meant to return a Promise, but not be async.`
	`296`	`+ function fetch(input, init = undefined) {`
`296`	`297`	`return lazyUndici().fetch(input, init);`
`297`	`298`	`}`
`298`	`299`