Updating SVN tree U gcc/c/ChangeLog U gcc/c/c-decl.c U gcc/DATESTAMP U gcc/builtins.c U gcc/fold-const.c U gcc/ChangeLog U gcc/builtins.def U gcc/match.pd U gcc/fold-const-call.c U gcc/internal-fn.def U gcc/gencfn-macros.c U gcc/convert.c Updated to revision 256030. Adjusting file timestamps