1 files changed, 42 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/wasm/regress-8059.js b/deps/v8/test/mjsunit/regress/wasm/regress-8059.js
new file mode 100644
index 0000000000..5c421c4ee4
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/wasm/regress-8059.js
@@ -0,0 +1,42 @@
+// Copyright 2018 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: --no-wasm-disable-structured-cloning
+
+load("test/mjsunit/wasm/wasm-constants.js");
+load("test/mjsunit/wasm/wasm-module-builder.js");
+
+(function TestPostModule() {
+  let builder = new WasmModuleBuilder();
+  builder.addFunction("add", kSig_i_ii)
+    .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add])
+    .exportFunc();
+
+  let module = builder.toModule();
+
+  let workerScript = `
+    onmessage = function(module) {
+      try {
+        let instance = new WebAssembly.Instance(module);
+        let result = instance.exports.add(40, 2);
+        postMessage(result);
+      } catch(e) {
+        postMessage('ERROR: ' + e);
+      }
+    }
+  `;
+
+  let realm = Realm.create();
+  Realm.shared = { m:module, s:workerScript };
+
+  let realmScript = `
+    let worker = new Worker(Realm.shared.s);
+    worker.postMessage(Realm.shared.m);
+    let message = worker.getMessage();
+    worker.terminate();
+    message;
+  `;
+  let message = Realm.eval(realm, realmScript);
+  assertEquals(42, message);
+})();