diff -r fc08f2a0c5af -r 14cb6cf26a96 hotspot/src/share/vm/runtime/vmStructs.cpp
--- a/hotspot/src/share/vm/runtime/vmStructs.cpp	Fri Aug 16 10:06:58 2013 -0700
+++ b/hotspot/src/share/vm/runtime/vmStructs.cpp	Mon Aug 19 14:59:54 2013 -0400
@@ -294,7 +294,7 @@
   nonstatic_field(InstanceKlass,               _java_fields_count,                            u2)                                    \
   nonstatic_field(InstanceKlass,               _constants,                                    ConstantPool*)                         \
   nonstatic_field(InstanceKlass,               _class_loader_data,                            ClassLoaderData*)                      \
-  nonstatic_field(InstanceKlass,               _source_file_name,                             Symbol*)                               \
+  nonstatic_field(InstanceKlass,               _source_file_name_index,                            u2)                               \
   nonstatic_field(InstanceKlass,               _source_debug_extension,                       char*)                                 \
   nonstatic_field(InstanceKlass,               _inner_classes,                               Array<jushort>*)                       \
   nonstatic_field(InstanceKlass,               _nonstatic_field_size,                         int)                                   \
@@ -313,7 +313,7 @@
   nonstatic_field(InstanceKlass,               _jni_ids,                                      JNIid*)                                \
   nonstatic_field(InstanceKlass,               _osr_nmethods_head,                            nmethod*)                              \
   nonstatic_field(InstanceKlass,               _breakpoints,                                  BreakpointInfo*)                       \
-  nonstatic_field(InstanceKlass,               _generic_signature,                            Symbol*)                               \
+  nonstatic_field(InstanceKlass,               _generic_signature_index,                           u2)                               \
   nonstatic_field(InstanceKlass,               _methods_jmethod_ids,                          jmethodID*)                            \
   nonstatic_field(InstanceKlass,               _methods_cached_itable_indices,                int*)                                  \
   volatile_nonstatic_field(InstanceKlass,      _idnum_allocated_count,                        u2)                                    \