Upload Kmake

deps/v8/test/mjsunit/shared-memory/shared-string-in-weak-map.js

@@ -0,0 +1,23 @@
+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Flags: --shared-string-table --allow-natives-syntax --stress-compaction --expose-gc
+
+const val1 = "some value";
+assertTrue(%IsSharedString(val1));
+
+const wm = new WeakMap();
+const key1 = {};
+
+wm.set(key1, val1);
+assertTrue(wm.get(key1) == val1);
+assertTrue(%IsSharedString(wm.get(key1)));
+
+gc();
+assertTrue(wm.get(key1) == val1);
+assertTrue(%IsSharedString(wm.get(key1)));
+
+%SharedGC();
+assertTrue(wm.get(key1) == val1);
+assertTrue(%IsSharedString(wm.get(key1)));