[module] Track script "module code" status

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index e2773ef3373bed5afbbf4b0a2e7a7c5a82ba84bb..e965e9421a2ee43fae48709c0d22faeacbb46605 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -23604,6 +23604,31 @@ TEST(ScriptPositionInfo) {
   CHECK(!script1->GetPositionInfo(220384, &info, script1->NO_OFFSET));
 }
 
+TEST(ScriptIsModule) {
+  LocalContext env;
+  v8::Isolate* isolate = env->GetIsolate();
+  v8::HandleScope scope(isolate);
+  const char* url = "http://www.foo.com/foo.js";
+  v8::ScriptOrigin origin(v8_str(url), v8::Integer::New(isolate, 1));
+  v8::ScriptCompiler::Source script_source(v8_str("void 0;\n"), origin);
+  Local<Script> localScript;
+  i::Handle<i::SharedFunctionInfo> fnInfo;
+
+  localScript =
+      v8::ScriptCompiler::Compile(env.local(), &script_source).ToLocalChecked();
+  fnInfo = i::Handle<i::SharedFunctionInfo>::cast(
+      v8::Utils::OpenHandle(*localScript->GetUnboundScript()));
+  i::Handle<i::Script> globalScript(i::Script::cast(fnInfo->script()));
+  CHECK_EQ(false, globalScript->is_module());
+
+  localScript = v8::ScriptCompiler::CompileModule(env.local(), &script_source)
+                    .ToLocalChecked();
+  fnInfo = i::Handle<i::SharedFunctionInfo>::cast(
+      v8::Utils::OpenHandle(*localScript->GetUnboundScript()));
+  i::Handle<i::Script> moduleScript(i::Script::cast(fnInfo->script()));
+  CHECK_EQ(true, moduleScript->is_module());
+}
+
 void CheckMagicComments(Local<Script> script, const char* expected_source_url,
                         const char* expected_source_mapping_url) {
   if (expected_source_url != NULL) {