--- a/src/hotspot/share/classfile/systemDictionary.cpp	Tue Oct 08 15:08:59 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionary.cpp	Tue Oct 08 15:48:36 2019 +0200
@@ -1205,10 +1205,8 @@
   TempNewSymbol pkg_name = NULL;
   PackageEntry* pkg_entry = NULL;
   ModuleEntry* mod_entry = NULL;
-  const char* pkg_string = NULL;
   pkg_name = InstanceKlass::package_from_name(class_name, CHECK_false);
   if (pkg_name != NULL) {
-    pkg_string = pkg_name->as_C_string();
     if (loader_data != NULL) {
       pkg_entry = loader_data->packages()->lookup_only(pkg_name);
     }
@@ -1245,7 +1243,7 @@
     // 3. or, the class is from an unamed module
     if (!ent->is_modules_image() && ik->is_shared_boot_class()) {
       // the class is from the -Xbootclasspath/a
-      if (pkg_string == NULL ||
+      if (pkg_name == NULL ||
           pkg_entry == NULL ||
           pkg_entry->in_unnamed_module()) {
         assert(mod_entry == NULL ||
@@ -1257,8 +1255,7 @@
     return false;
   } else {
     bool res = SystemDictionaryShared::is_shared_class_visible_for_classloader(
-              ik, class_loader, pkg_string, pkg_name,
-              pkg_entry, mod_entry, CHECK_(false));
+              ik, class_loader, pkg_name, pkg_entry, mod_entry, CHECK_(false));
     return res;
   }
 }

--- a/src/hotspot/share/classfile/systemDictionaryShared.cpp	Tue Oct 08 15:08:59 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionaryShared.cpp	Tue Oct 08 15:48:36 2019 +0200
@@ -657,7 +657,6 @@
 bool SystemDictionaryShared::is_shared_class_visible_for_classloader(
                                                      InstanceKlass* ik,
                                                      Handle class_loader,
-                                                     const char* pkg_string,
                                                      Symbol* pkg_name,
                                                      PackageEntry* pkg_entry,
                                                      ModuleEntry* mod_entry,
@@ -684,7 +683,7 @@
     }
   } else if (SystemDictionary::is_system_class_loader(class_loader())) {
     assert(ent != NULL, "shared class for system loader should have valid SharedClassPathEntry");
-    if (pkg_string == NULL) {
+    if (pkg_name == NULL) {
       // The archived class is in the unnamed package. Currently, the boot image
       // does not contain any class in the unnamed package.
       assert(!ent->is_modules_image(), "Class in the unnamed package must be from the classpath");

--- a/src/hotspot/share/classfile/systemDictionaryShared.hpp	Tue Oct 08 15:08:59 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionaryShared.hpp	Tue Oct 08 15:48:36 2019 +0200
@@ -240,7 +240,6 @@
   static bool is_sharing_possible(ClassLoaderData* loader_data);
   static bool is_shared_class_visible_for_classloader(InstanceKlass* ik,
                                                       Handle class_loader,
-                                                      const char* pkg_string,
                                                       Symbol* pkg_name,
                                                       PackageEntry* pkg_entry,
                                                       ModuleEntry* mod_entry,