[win32] merge change#896 from maintbranch

[perl5.git] / sv.c

diff --git a/sv.c b/sv.c
index ff99867..b5e408c 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -1906,8 +1906,11 @@ sv_setsv(SV *dstr, register SV *sstr)
 
     switch (stype) {
     case SVt_NULL:
-       (void)SvOK_off(dstr);
-       return;
+       if (dtype != SVt_PVGV) {
+           (void)SvOK_off(dstr);
+           return;
+       }
+       break;
     case SVt_IV:
        if (dtype != SVt_IV && dtype < SVt_PVIV) {
            if (dtype < SVt_IV)
@@ -2209,7 +2212,12 @@ sv_setsv(SV *dstr, register SV *sstr)
        SvIVX(dstr) = SvIVX(sstr);
     }
     else {
-       (void)SvOK_off(dstr);
+       if (dtype == SVt_PVGV) {
+           if (dowarn)
+               warn("Undefined value assigned to typeglob");
+       }
+       else
+           (void)SvOK_off(dstr);
     }
     SvTAINT(dstr);
 }