+ if (SvREFCNT(sv) == 1) {
+ /* We hold the last reference to this SV, which implies that the
+ SV was deleted as a side effect of the routines we called.
+ So artificially keep it alive a bit longer.
+ We avoid turning on the TEMP flag, which can cause the SV's
+ buffer to get stolen (and maybe other stuff). */
+ int was_temp = SvTEMP(sv);
+ sv_2mortal(sv);
+ if (!was_temp) {
+ SvTEMP_off(sv);
+ }
+ SvOK_off(sv);
+ }
+ else
+ SvREFCNT_dec(sv); /* undo the inc in S_save_magic() */