Upload Kmake

deps/v8/test/debugger/regress/regress-crbug-840288.js

@@ -0,0 +1,27 @@
+// 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.
+
+d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
+
+Debug = debug.Debug
+
+function listener(event, exec_state, event_data, data) {
+  if (event == Debug.DebugEvent.AfterCompile) {
+    // The actual source doesn't matter, just don't crash.
+    var source = event_data.script().source();
+    // Source will be empty for the script representing the entire module,
+    // disassembly for the script representing just the function.
+    assertTrue(source == "func $main\nend\n" || source == "");
+  }
+};
+
+// Add the debug event listener.
+Debug.setListener(listener);
+
+var builder = new WasmModuleBuilder();
+builder.addFunction('main', kSig_v_v).addBody([]).exportFunc();
+var promise = WebAssembly.compile(builder.toBuffer());
+
+// Clear the debug listener only after the event fired.
+promise.then(() => Debug.setListener(null), assertUnreachable);