src/hotspot/share/classfile/moduleEntry.cpp

rev 50985 : 8206977: Minor improvements of runtime code.
Reviewed-by: coleenp, lfoltan

@@ -385,11 +385,12 @@
 
   if (ClassLoader::is_in_patch_mod_entries(name)) {
     entry->set_is_patched();
     if (log_is_enabled(Trace, module, patch)) {
       ResourceMark rm;
-      log_trace(module, patch)("Marked module %s as patched from --patch-module", name->as_C_string());
+      log_trace(module, patch)("Marked module %s as patched from --patch-module",
+                               name != NULL ? name->as_C_string() : UNNAMED_MODULE);
     }
   }
 
   JFR_ONLY(INIT_ID(entry);)