8029383: assert(counter_changed) failed: failed dependencies, but counter didn't change

Summary: no call to SystemDictionary::notice_modification() when class is defined through Unsafe.defineAnonymousClass() can caused missed dependency change.
Reviewed-by: kvn, twisti

src/share/vm/classfile/systemDictionary.cpp

@@ -1049,6 +1049,9 @@ Klass* SystemDictionary::parse_stream(Symbol* class_name,
       add_to_hierarchy(k, CHECK_NULL); // No exception, but can block
 
       // But, do not add to system dictionary.
+
+      // compiled code dependencies need to be validated anyway
+      notice_modification();
     }
 
     // Rewrite and patch constant pool here.

src/share/vm/prims/jvmtiRedefineClasses.cpp

@@ -147,9 +147,6 @@ void VM_RedefineClasses::doit() {
     _scratch_classes[i] = NULL;
   }
 
-  // Disable any dependent concurrent compilations
-  SystemDictionary::notice_modification();
-
   // Set flag indicating that some invariants are no longer true.
   // See jvmtiExport.hpp for detailed explanation.
   JvmtiExport::set_has_redefined_a_class();