[wasm] make WebAssembly.Instance require a WebAssembly.Memory

test/mjsunit/wasm/compiled-module-serialization.js

Index: test/mjsunit/wasm/compiled-module-serialization.js
diff --git a/test/mjsunit/wasm/compiled-module-serialization.js b/test/mjsunit/wasm/compiled-module-serialization.js
index 641bcf72b2722564459dcc354afba17df9cbd9c1..eb6534d0a8837bac0ab3cafd655b8823b314e6dc 100644
--- a/test/mjsunit/wasm/compiled-module-serialization.js
+++ b/test/mjsunit/wasm/compiled-module-serialization.js
@@ -42,8 +42,8 @@ load("test/mjsunit/wasm/wasm-module-builder.js");
   gc();
   module = %DeserializeWasmModule(buff, wire_bytes);
 
-  var mem_1 = new ArrayBuffer(4);
-  var view_1 = new Int32Array(mem_1);
+  var mem_1 = new WebAssembly.Memory({initial: 1});
+  var view_1 = new Int32Array(mem_1.buffer);
 
   view_1[0] = 42;