Index: vm/vmcore/src/class_support/Environment.cpp =================================================================== --- vm/vmcore/src/class_support/Environment.cpp (revision 607062) +++ vm/vmcore/src/class_support/Environment.cpp (working copy) @@ -111,7 +111,7 @@ use_lil_stubs = true; #ifdef REFS_USE_RUNTIME_SWITCH #ifdef POINTER64 - compress_references = true; + compress_references = false; #else // POINTER64 compress_references = false; #endif // POINTER64 Index: vm/vmcore/src/init/vm_properties.cpp =================================================================== --- vm/vmcore/src/init/vm_properties.cpp (revision 607062) +++ vm/vmcore/src/init/vm_properties.cpp (working copy) @@ -303,7 +303,7 @@ properties.set_new("thread.soft_unreservation", "false"); #ifdef REFS_USE_RUNTIME_SWITCH - properties.set_new("vm.compress_references", "true"); + properties.set_new("vm.compress_references", "false"); #endif int n_api_dll_files = sizeof(api_dll_files) / sizeof(char *);