--- a/hotspot/src/share/vm/opto/memnode.cpp	Wed Aug 27 10:42:28 2014 -0700
+++ b/hotspot/src/share/vm/opto/memnode.cpp	Thu Aug 28 11:29:09 2014 -0400
@@ -1799,13 +1799,6 @@
       }
       const Type* aift = load_array_final_field(tkls, klass);
       if (aift != NULL)  return aift;
-      if (tkls->offset() == in_bytes(ArrayKlass::component_mirror_offset())
-          && klass->is_array_klass()) {
-        // The field is ArrayKlass::_component_mirror.  Return its (constant) value.
-        // (Folds up aClassConstant.getComponentType, common in Arrays.copyOf.)
-        assert(Opcode() == Op_LoadP, "must load an oop from _component_mirror");
-        return TypeInstPtr::make(klass->as_array_klass()->component_mirror());
-      }
       if (tkls->offset() == in_bytes(Klass::java_mirror_offset())) {
         // The field is Klass::_java_mirror.  Return its (constant) value.
         // (Folds up the 2nd indirection in anObjConstant.getClass().)
@@ -2200,18 +2193,15 @@
   }
 
   // Simplify k.java_mirror.as_klass to plain k, where k is a Klass*.
-  // Simplify ak.component_mirror.array_klass to plain ak, ak an ArrayKlass.
   // See inline_native_Class_query for occurrences of these patterns.
   // Java Example:  x.getClass().isAssignableFrom(y)
-  // Java Example:  Array.newInstance(x.getClass().getComponentType(), n)
   //
   // This improves reflective code, often making the Class
   // mirror go completely dead.  (Current exception:  Class
   // mirrors may appear in debug info, but we could clean them out by
   // introducing a new debug info operator for Klass*.java_mirror).
   if (toop->isa_instptr() && toop->klass() == phase->C->env()->Class_klass()
-      && (offset == java_lang_Class::klass_offset_in_bytes() ||
-          offset == java_lang_Class::array_klass_offset_in_bytes())) {
+      && offset == java_lang_Class::klass_offset_in_bytes()) {
     // We are loading a special hidden field from a Class mirror,
     // the field which points to its Klass or ArrayKlass metaobject.
     if (base->is_Load()) {
@@ -2223,9 +2213,6 @@
           && adr2->is_AddP()
           ) {
         int mirror_field = in_bytes(Klass::java_mirror_offset());
-        if (offset == java_lang_Class::array_klass_offset_in_bytes()) {
-          mirror_field = in_bytes(ArrayKlass::component_mirror_offset());
-        }
         if (tkls->offset() == mirror_field) {
           return adr2->in(AddPNode::Base);
         }