--- a/jdk/src/jdk.jlink/share/classes/jdk/tools/jlink/internal/ResourcePoolConfiguration.java	Wed Nov 23 16:16:35 2016 +0000
+++ b/jdk/src/jdk.jlink/share/classes/jdk/tools/jlink/internal/ResourcePoolConfiguration.java	Thu Dec 01 08:57:53 2016 +0000
@@ -50,24 +50,23 @@
         ModuleDescriptor md = mod.descriptor();
 
         // drop hashes
-        ModuleDescriptor.Builder builder = new ModuleDescriptor.Builder(md.name());
+        ModuleDescriptor.Builder builder = ModuleDescriptor.module(md.name());
         md.requires().stream()
           .forEach(builder::requires);
         md.exports().stream()
           .forEach(builder::exports);
+        md.opens().stream()
+          .forEach(builder::opens);
         md.uses().stream()
           .forEach(builder::uses);
-        md.provides().values().stream()
+        md.provides().stream()
           .forEach(builder::provides);
 
         // build the proper concealed packages
-        Set<String> exps = md.exports().stream()
-            .map(ModuleDescriptor.Exports::source)
-            .collect(Collectors.toSet());
-
-        mod.packages().stream()
-           .filter(pn -> !exps.contains(pn))
-           .forEach(builder::conceals);
+        Set<String> concealed = new HashSet<>(mod.packages());
+        md.exports().stream().map(ModuleDescriptor.Exports::source).forEach(concealed::remove);
+        md.opens().stream().map(ModuleDescriptor.Opens::source).forEach(concealed::remove);
+        concealed.stream().forEach(builder::contains);
 
         md.version().ifPresent(builder::version);
         md.mainClass().ifPresent(builder::mainClass);