Index: vm/vmcore/src/class_support/classloader.cpp =================================================================== --- vm/vmcore/src/class_support/classloader.cpp (revision 515625) +++ vm/vmcore/src/class_support/classloader.cpp (working copy) @@ -239,7 +239,7 @@ } if (LookupClass(className) != NULL) { static const char* mess_templ = "Illegal attempt to redefine class : %s"; - unsigned mess_size = strlen(mess_templ) + className->len + 1; + size_t mess_size = strlen(mess_templ) + className->len + 1; char* err_mess = (char*)STD_ALLOCA(mess_size); sprintf(err_mess, mess_templ, className->bytes); exn_raise_by_name("java/lang/LinkageError", err_mess);