PERLVAR(Ghints, U32) /* pragma-tic compile-time flags */
-PERLVAR(Gdo_undump, bool) /* -u or dump seen? */
+PERLVARI(Gdo_undump, bool, FALSE) /* -u or dump seen? */
PERLVAR(Gdebug, VOL U32) /* flags given to -D switch */
PERLVAR(Gamagic_generation, long)