[wasm] Honor the names section for modules coming from asm.js.

test/mjsunit/wasm/asm-wasm-names.js

Index: test/mjsunit/wasm/asm-wasm-names.js
diff --git a/test/mjsunit/wasm/asm-wasm-names.js b/test/mjsunit/wasm/asm-wasm-names.js
new file mode 100644
index 0000000000000000000000000000000000000000..838f42fde428c05df0ffb436621e01e1fb353fb8
--- /dev/null
+++ b/test/mjsunit/wasm/asm-wasm-names.js
@@ -0,0 +1,15 @@
+// Copyright 2016 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: --validate-asm
+
+function Module(stdlib, foreign, buffer) {
+  "use asm";
+  function foo() {}
+  return {bar: foo};
+}
+
+var func = Module({}, {}, new ArrayBuffer(65536)).bar;
+assertEquals("Module", Module.name);
+assertEquals("foo", func.name);