commit e1db4422be08222e4d5cf9fbfe8b8a61583976d2
Date:   Tue Sep 15 20:58:00 2020 +0800

    add DumpSharedSpace guarantee when create anonymous classes
    
    Summary: < JDK> : add DumpSharedSpace guarantee when create anonymous classes
    LLT: NA
    Bug url: NA

diff --git a/hotspot/src/share/vm/prims/unsafe.cpp b/hotspot/src/share/vm/prims/unsafe.cpp
index f20bf3d2b..3ab82c5c4 100644
--- a/hotspot/src/share/vm/prims/unsafe.cpp
+++ b/hotspot/src/share/vm/prims/unsafe.cpp
@@ -1058,6 +1058,11 @@ Unsafe_DefineAnonymousClass_impl(JNIEnv *env,
                                  HeapWord* *temp_alloc,
                                  TRAPS) {
 
+  if (DumpSharedSpaces) {
+    tty->print_cr("failed: must not create anonymous classes when dumping.");
+    JVM_Halt(0);
+  }
+
   if (UsePerfData) {
     ClassLoader::unsafe_defineClassCallCounter()->inc();
   }
