[wasm] Generate correct locations for error messages

test/message/wasm-trap.js

Index: test/message/wasm-trap.js
diff --git a/test/message/wasm-trap.js b/test/message/wasm-trap.js
new file mode 100644
index 0000000000000000000000000000000000000000..53013a7d220a24914f243ebe50d452a80ea04d29
--- /dev/null
+++ b/test/message/wasm-trap.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: --expose-wasm
+
+load("test/mjsunit/wasm/wasm-constants.js");
+load("test/mjsunit/wasm/wasm-module-builder.js");
+
+var builder = new WasmModuleBuilder();
+builder.addFunction('main', kSig_i_v)
+    .addBody([kExprI32Const, 2, kExprI32Const, 0, kExprI32DivU])
+    .exportFunc();
+var module = builder.instantiate();
+module.exports.main();