diff -r b01a48301e67 -r e3cf184080bc hotspot/src/share/vm/c1/c1_Runtime1.cpp
--- a/hotspot/src/share/vm/c1/c1_Runtime1.cpp	Fri Sep 28 14:36:20 2012 -0700
+++ b/hotspot/src/share/vm/c1/c1_Runtime1.cpp	Sat Sep 29 06:40:00 2012 -0400
@@ -327,7 +327,7 @@
   //       anymore after new_typeArray() and no GC can happen before.
   //       (This may have to change if this code changes!)
   assert(klass->is_klass(), "not a class");
-  BasicType elt_type = typeArrayKlass::cast(klass)->element_type();
+  BasicType elt_type = TypeArrayKlass::cast(klass)->element_type();
   oop obj = oopFactory::new_typeArray(elt_type, length, CHECK);
   thread->set_vm_result(obj);
   // This is pretty rare but this runtime patch is stressful to deoptimization
@@ -346,7 +346,7 @@
   //       anymore after new_objArray() and no GC can happen before.
   //       (This may have to change if this code changes!)
   assert(array_klass->is_klass(), "not a class");
-  Klass* elem_klass = objArrayKlass::cast(array_klass)->element_klass();
+  Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
   objArrayOop obj = oopFactory::new_objArray(elem_klass, length, CHECK);
   thread->set_vm_result(obj);
   // This is pretty rare but this runtime patch is stressful to deoptimization
@@ -362,7 +362,7 @@
 
   assert(klass->is_klass(), "not a class");
   assert(rank >= 1, "rank must be nonzero");
-  oop obj = arrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
+  oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
   thread->set_vm_result(obj);
 JRT_END
 
@@ -1234,8 +1234,8 @@
     bs->write_ref_array((HeapWord*)dst_addr, length);
     return ac_ok;
   } else {
-    Klass* bound = objArrayKlass::cast(dst->klass())->element_klass();
-    Klass* stype = objArrayKlass::cast(src->klass())->element_klass();
+    Klass* bound = ObjArrayKlass::cast(dst->klass())->element_klass();
+    Klass* stype = ObjArrayKlass::cast(src->klass())->element_klass();
     if (stype == bound || Klass::cast(stype)->is_subtype_of(bound)) {
       // Elements are guaranteed to be subtypes, so no check necessary
       bs->write_ref_array_pre(dst_addr, length);
@@ -1263,7 +1263,7 @@
   if (src->is_typeArray()) {
     Klass* const klass_oop = src->klass();
     if (klass_oop != dst->klass()) return ac_failed;
-    typeArrayKlass* klass = typeArrayKlass::cast(klass_oop);
+    TypeArrayKlass* klass = TypeArrayKlass::cast(klass_oop);
     const int l2es = klass->log2_element_size();
     const int ihs = klass->array_header_in_bytes() / wordSize;
     char* src_addr = (char*) ((oopDesc**)src + ihs) + (src_pos << l2es);