Upload Kmake

deps/v8/test/mjsunit/wasm/gc-js-interop-import.mjs

@@ -0,0 +1,34 @@
+// 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: --turbofan --no-always-turbofan --allow-natives-syntax
+
+import {struct, array} from 'gc-js-interop-export.mjs';
+
+// Read struct and array with new wasm module.
+let builder = new WasmModuleBuilder();
+let struct_type = builder.addStruct([makeField(kWasmI32, true)]);
+builder.addFunction('readStruct', makeSig([kWasmExternRef], [kWasmI32]))
+    .exportFunc()
+    .addBody([
+      kExprLocalGet, 0,                           // --
+      kGCPrefix, kExprAnyConvertExtern,          // --
+      kGCPrefix, kExprRefCast, struct_type,       // --
+      kGCPrefix, kExprStructGet, struct_type, 0,  // --
+    ]);
+builder.addFunction('readArrayLength', makeSig([kWasmExternRef], [kWasmI32]))
+    .exportFunc()
+    .addBody([
+      kExprLocalGet, 0,                           // --
+      kGCPrefix, kExprAnyConvertExtern,          // --
+      kGCPrefix, kExprRefCast, kArrayRefCode,     // --
+      kGCPrefix, kExprArrayLen,
+    ]);
+
+let instance = builder.instantiate();
+let wasm = instance.exports;
+assertEquals(42, wasm.readStruct(struct));
+assertEquals(2, wasm.readArrayLength(array));
+assertTraps(kTrapIllegalCast, () => wasm.readStruct(array));
+assertTraps(kTrapIllegalCast, () => wasm.readArrayLength(struct));