--- a/hotspot/src/share/vm/prims/jvm.cpp	Tue Sep 01 23:34:08 2009 -0700
+++ b/hotspot/src/share/vm/prims/jvm.cpp	Fri Sep 04 12:53:02 2009 -0400
@@ -762,7 +762,11 @@
 }
 
 // common code for JVM_DefineClass() and JVM_DefineClassWithSource()
-static jclass jvm_define_class_common(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, jsize len, jobject pd, const char *source, TRAPS) {
+// and JVM_DefineClassWithSourceCond()
+static jclass jvm_define_class_common(JNIEnv *env, const char *name,
+                                      jobject loader, const jbyte *buf,
+                                      jsize len, jobject pd, const char *source,
+                                      jboolean verify, TRAPS) {
   if (source == NULL)  source = "__JVM_DefineClass__";
 
   assert(THREAD->is_Java_thread(), "must be a JavaThread");
@@ -803,6 +807,7 @@
   Handle protection_domain (THREAD, JNIHandles::resolve(pd));
   klassOop k = SystemDictionary::resolve_from_stream(class_name, class_loader,
                                                      protection_domain, &st,
+                                                     verify != 0,
                                                      CHECK_NULL);
 
   if (TraceClassResolution && k != NULL) {
@@ -816,16 +821,24 @@
 JVM_ENTRY(jclass, JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, jsize len, jobject pd))
   JVMWrapper2("JVM_DefineClass %s", name);
 
-  return jvm_define_class_common(env, name, loader, buf, len, pd, NULL, THREAD);
+  return jvm_define_class_common(env, name, loader, buf, len, pd, NULL, true, THREAD);
 JVM_END
 
 
 JVM_ENTRY(jclass, JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, jsize len, jobject pd, const char *source))
   JVMWrapper2("JVM_DefineClassWithSource %s", name);
 
-  return jvm_define_class_common(env, name, loader, buf, len, pd, source, THREAD);
-JVM_END
-
+  return jvm_define_class_common(env, name, loader, buf, len, pd, source, true, THREAD);
+JVM_END
+
+JVM_ENTRY(jclass, JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
+                                                jobject loader, const jbyte *buf,
+                                                jsize len, jobject pd,
+                                                const char *source, jboolean verify))
+  JVMWrapper2("JVM_DefineClassWithSourceCond %s", name);
+
+  return jvm_define_class_common(env, name, loader, buf, len, pd, source, verify, THREAD);
+JVM_END
 
 JVM_ENTRY(jclass, JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name))
   JVMWrapper("JVM_FindLoadedClass");