--- old/src/hotspot/share/prims/jvm.cpp	2020-08-18 21:51:57.690306074 -0700
+++ new/src/hotspot/share/prims/jvm.cpp	2020-08-18 21:51:57.574301708 -0700
@@ -44,6 +44,7 @@
 #include "logging/log.hpp"
 #include "memory/dynamicArchive.hpp"
 #include "memory/heapShared.hpp"
+#include "memory/lambdaFormInvokers.hpp"
 #include "memory/oopFactory.hpp"
 #include "memory/referenceType.hpp"
 #include "memory/resourceArea.hpp"
@@ -3847,6 +3848,17 @@
 #endif // INCLUDE_CDS
 JVM_END
 
+JVM_ENTRY(void, JVM_CDSTraceResolve(JNIEnv* env, jclass ignored, jstring line))
+#if INCLUDE_CDS
+  if (line != NULL && DumpLoadedClassList != NULL && classlist_file->is_open()) {
+    ResourceMark rm(THREAD);
+    Handle h_line (THREAD, JNIHandles::resolve_non_null(line));
+    char* c_line = java_lang_String::as_utf8_string(h_line());
+    classlist_file->print_cr("%s %s", LambdaFormInvokers::lambda_form_invoker_tag(), c_line);
+  }
+#endif // INCLUDE_CDS
+JVM_END
+
 JVM_ENTRY(jboolean, JVM_IsCDSDumpingEnabled(JNIEnv* env))
     JVMWrapper("JVM_IsCDSDumpingEnable");
     return DynamicDumpSharedSpaces;