[modules] Support star exports.

src/api.cc

 // Copyright 2012 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 1971 matching lines @@
       return false;
     }
   }
 
   // Resolve imports.
   for (int i = 0, n = regular_imports->length(); i < n; ++i) {
     i::Handle<i::ModuleInfoEntry> entry(
         i::ModuleInfoEntry::cast(regular_imports->get(i)), isolate);
     i::Handle<i::String> name(i::String::cast(entry->import_name()), isolate);
     int module_request = i::Smi::cast(entry->module_request())->value();
-    if (i::Module::ResolveImport(module, name, module_request).is_null()) {
+    if (i::Module::ResolveImport(module, name, module_request, true)
+            .is_null()) {
       return false;
     }
   }
 
   // Resolve indirect exports.
   for (int i = 0, n = special_exports->length(); i < n; ++i) {
     i::Handle<i::ModuleInfoEntry> entry(
         i::ModuleInfoEntry::cast(special_exports->get(i)), isolate);
-    i::Handle<i::String> name(i::String::cast(entry->export_name()), isolate);
-    if (i::Module::ResolveExport(module, name).is_null()) {
+    i::Handle<i::Object> name(entry->export_name(), isolate);
+    if (name->IsUndefined(isolate)) continue;  // Star export.
+    if (i::Module::ResolveExport(module, i::Handle<i::String>::cast(name), true)
+            .is_null()) {
       return false;
     }
   }
 
   return true;
 }
 
 bool Module::Instantiate(Local<Context> context,
                          Module::ResolveCallback callback,
                          Local<Value> callback_data) {
@@ skipping 7470 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8