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src/share/vm/gc/g1/g1MarkSweep.cpp

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rev 8463 : Support for -Xnoclassgc

@@ -149,18 +149,20 @@
 
 
   // This is the point where the entire marking should have completed.
   assert(GenMarkSweep::_marking_stack.is_empty(), "Marking should have completed");
 
+  if (ClassUnloading) {
   // Unload classes and purge the SystemDictionary.
   bool purged_class = SystemDictionary::do_unloading(&GenMarkSweep::is_alive);
 
   // Unload nmethods.
   CodeCache::do_unloading(&GenMarkSweep::is_alive, purged_class);
 
   // Prune dead klasses from subklass/sibling/implementor lists.
   Klass::clean_weak_klass_links(&GenMarkSweep::is_alive);
+  }
 
   // Delete entries for dead interned string and clean up unreferenced symbols in symbol table.
   g1h->unlink_string_and_symbol_table(&GenMarkSweep::is_alive);
 
   if (VerifyDuringGC) {
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