--- old/make/bsd/makefiles/mapfile-vers-debug	2013-01-25 15:53:37.175111997 -0800
+++ new/make/bsd/makefiles/mapfile-vers-debug	2013-01-25 15:53:36.956101055 -0800
@@ -188,6 +188,7 @@
                 JVM_IsSilentCompiler;
                 JVM_IsSupportedJNIVersion;
                 JVM_IsThreadAlive;
+                JVM_IsVMGeneratedMethodIx;
                 JVM_LatestUserDefinedLoader;
                 JVM_Listen;
                 JVM_LoadClass0;
--- old/make/bsd/makefiles/mapfile-vers-product	2013-01-25 15:53:37.935149970 -0800
+++ new/make/bsd/makefiles/mapfile-vers-product	2013-01-25 15:53:37.721139278 -0800
@@ -188,6 +188,7 @@
                 JVM_IsSilentCompiler;
                 JVM_IsSupportedJNIVersion;
                 JVM_IsThreadAlive;
+                JVM_IsVMGeneratedMethodIx;
                 JVM_LatestUserDefinedLoader;
                 JVM_Listen;
                 JVM_LoadClass0;
--- old/make/linux/makefiles/mapfile-vers-debug	2013-01-25 15:53:38.729189643 -0800
+++ new/make/linux/makefiles/mapfile-vers-debug	2013-01-25 15:53:38.507178551 -0800
@@ -184,6 +184,7 @@
                 JVM_IsSilentCompiler;
                 JVM_IsSupportedJNIVersion;
                 JVM_IsThreadAlive;
+                JVM_IsVMGeneratedMethodIx;
                 JVM_LatestUserDefinedLoader;
                 JVM_Listen;
                 JVM_LoadClass0;
--- old/make/linux/makefiles/mapfile-vers-product	2013-01-25 15:53:39.560231164 -0800
+++ new/make/linux/makefiles/mapfile-vers-product	2013-01-25 15:53:39.328219573 -0800
@@ -184,6 +184,7 @@
                 JVM_IsSilentCompiler;
                 JVM_IsSupportedJNIVersion;
                 JVM_IsThreadAlive;
+                JVM_IsVMGeneratedMethodIx;
                 JVM_LatestUserDefinedLoader;
                 JVM_Listen;
                 JVM_LoadClass0;
--- old/make/solaris/makefiles/mapfile-vers	2013-01-25 15:53:40.353270787 -0800
+++ new/make/solaris/makefiles/mapfile-vers	2013-01-25 15:53:40.129259594 -0800
@@ -184,6 +184,7 @@
                 JVM_IsSilentCompiler;
                 JVM_IsSupportedJNIVersion;
                 JVM_IsThreadAlive;
+                JVM_IsVMGeneratedMethodIx;
                 JVM_LatestUserDefinedLoader;
                 JVM_Listen;
                 JVM_LoadClass0;
--- old/src/share/vm/prims/jvm.cpp	2013-01-25 15:53:41.172311709 -0800
+++ new/src/share/vm/prims/jvm.cpp	2013-01-25 15:53:40.947300466 -0800
@@ -2294,6 +2294,15 @@
 JVM_END
 
 
+JVM_QUICK_ENTRY(jboolean, JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cls, int method_index))
+  JVMWrapper("JVM_IsVMGeneratedMethodIx");
+  ResourceMark rm(THREAD);
+  Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
+  k = JvmtiThreadState::class_to_verify_considering_redefinition(k, thread);
+  Method* method = InstanceKlass::cast(k)->methods()->at(method_index);
+  return method->is_overpass();
+JVM_END
+
 JVM_ENTRY(const char*, JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cls, jint method_index))
   JVMWrapper("JVM_GetMethodIxIxUTF");
   Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
--- old/src/share/vm/prims/jvm.h	2013-01-25 15:53:42.031354629 -0800
+++ new/src/share/vm/prims/jvm.h	2013-01-25 15:53:41.811343637 -0800
@@ -863,6 +863,13 @@
 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
 
 /*
+ * Is the given method generated by the VM.
+ * The method is identified by method_index.
+ */
+JNIEXPORT jboolean JNICALL
+JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
+
+/*
  * Returns the name of a given method in UTF format.
  * The result remains valid until JVM_ReleaseUTF is called.
  *