--- old/src/hotspot/share/classfile/systemDictionary.cpp	2018-02-27 08:50:10.516525119 -0800
+++ new/src/hotspot/share/classfile/systemDictionary.cpp	2018-02-27 08:50:10.293504110 -0800
@@ -1059,12 +1059,19 @@
 #if INCLUDE_CDS
   ResourceMark rm(THREAD);
   if (DumpSharedSpaces && !class_loader.is_null() &&
-      !UseAppCDS && strcmp(class_name->as_C_string(), "Unnamed") != 0) {
-    // If AppCDS is not enabled, don't define the class at dump time (except for the "Unnamed"
-    // class, which is used by MethodHandles).
+      !UseAppCDS && (strcmp(class_name->as_C_string(), "Unnamed") != 0)
+      // If AppCDS is not enabled, don't define the class at dump time (except for the "Unnamed"
+      // class, which is used by MethodHandles).
+#if INCLUDE_JVMCI
+      // Need to define the class if force initialization of JVMCI runtime. Otherwise the <clinit> of the
+      // JVMCI class will result in ClassNotFoundException.
+      && !Arguments::is_force_init_jvmci_runtime()) {
+#else
+      ) {
+#endif // INCLUDE_JVMCI
     THROW_MSG_NULL(vmSymbols::java_lang_ClassNotFoundException(), class_name->as_C_string());
   }
-#endif
+#endif // INCLUDE_CDS
 
   HandleMark hm(THREAD);
 
--- old/src/hotspot/share/jvmci/jvmciRuntime.cpp	2018-02-27 08:50:11.209590405 -0800
+++ new/src/hotspot/share/jvmci/jvmciRuntime.cpp	2018-02-27 08:50:10.978568643 -0800
@@ -596,6 +596,7 @@
 JRT_END
 
 void JVMCIRuntime::force_initialization(TRAPS) {
+  Arguments::set_force_init_jvmci_runtime(true);
   JVMCIRuntime::initialize_well_known_classes(CHECK);
 
   ResourceMark rm;
@@ -604,6 +605,7 @@
   Handle jvmciRuntime = JVMCIRuntime::get_HotSpotJVMCIRuntime(CHECK);
   JavaValue result(T_OBJECT);
   JavaCalls::call_virtual(&result, jvmciRuntime, HotSpotJVMCIRuntime::klass(), getCompiler, sig, CHECK);
+  Arguments::set_force_init_jvmci_runtime(false);
 }
 
 // private static JVMCIRuntime JVMCI.initializeRuntime()
--- old/src/hotspot/share/runtime/arguments.cpp	2018-02-27 08:50:11.893654844 -0800
+++ new/src/hotspot/share/runtime/arguments.cpp	2018-02-27 08:50:11.650631951 -0800
@@ -118,6 +118,10 @@
 
 char* Arguments::_ext_dirs = NULL;
 
+#if INCLUDE_JVMCI
+bool Arguments::_force_init_jvmci_runtime = false;
+#endif
+
 bool PathString::set_value(const char *value) {
   if (_value != NULL) {
     FreeHeap(_value);
--- old/src/hotspot/share/runtime/arguments.hpp	2018-02-27 08:50:12.613722675 -0800
+++ new/src/hotspot/share/runtime/arguments.hpp	2018-02-27 08:50:12.378700535 -0800
@@ -541,6 +541,9 @@
 
   static void set_gc_specific_flags();
 #if INCLUDE_JVMCI
+  static bool _force_init_jvmci_runtime;
+  static void set_force_init_jvmci_runtime(bool force_init) {_force_init_jvmci_runtime = force_init; }
+  static bool is_force_init_jvmci_runtime() { return _force_init_jvmci_runtime; }
   // Check consistency of jvmci vm argument settings.
   static bool check_jvmci_args_consistency();
   static void set_jvmci_specific_flags();