--- a/hotspot/src/share/vm/runtime/arguments.cpp	Mon Dec 19 15:21:11 2016 +0000
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Mon Dec 19 13:54:33 2016 -0500
@@ -1324,12 +1324,15 @@
                                            "jdk.module.limitmods",
                                            "jdk.module.path",
                                            "jdk.module.upgrade.path",
-                                           "jdk.module.addmods.0" };
-  const char* unsupported_options[] = { "-m",
-                                        "--limit-modules",
-                                        "--module-path",
-                                        "--upgrade-module-path",
-                                        "--add-modules" };
+                                           "jdk.module.addmods.0",
+                                           "jdk.module.patch.0" };
+  const char* unsupported_options[] = { "-m", // cannot use at dump time
+                                        "--limit-modules", // cannot use at dump time
+                                        "--module-path", // ignored at dump time
+                                        "--upgrade-module-path", // ignored at dump time
+                                        "--add-modules", // ignored at dump time
+                                        "--patch-module" // ignored at dump time
+                                      };
   assert(ARRAY_SIZE(unsupported_properties) == ARRAY_SIZE(unsupported_options), "must be");
   // If a vm option is found in the unsupported_options array with index less than the warning_idx,
   // vm will exit with an error message. Otherwise, it will result in a warning message.
@@ -1420,10 +1423,8 @@
   }
 }
 
-#if defined(COMPILER2) || INCLUDE_JVMCI || defined(_LP64) || !INCLUDE_CDS
 // Conflict: required to use shared spaces (-Xshare:on), but
 // incompatible command line options were chosen.
-
 static void no_shared_spaces(const char* message) {
   if (RequireSharedSpaces) {
     jio_fprintf(defaultStream::error_stream(),
@@ -1433,7 +1434,6 @@
     FLAG_SET_DEFAULT(UseSharedSpaces, false);
   }
 }
-#endif
 
 // Returns threshold scaled with the value of scale.
 // If scale < 0.0, threshold is returned without scaling.
@@ -2682,6 +2682,12 @@
     return result;
   }
 
+#if INCLUDE_CDS
+  if (UseSharedSpaces && patch_mod_javabase) {
+    no_shared_spaces("CDS is disabled when " JAVA_BASE_NAME " module is patched.");
+  }
+#endif
+
   return JNI_OK;
 }
 
@@ -4410,7 +4416,6 @@
 }
 
 jint Arguments::apply_ergo() {
-
   // Set flags based on ergonomics.
   set_ergonomics_flags();