Add perldelta entries for all doc changes

[perl5.git] / pp_sys.c

diff --git a/pp_sys.c b/pp_sys.c
index 5cd9ef6..8666a91 100644 (file)
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -749,7 +749,7 @@ PP(pp_umask)
     dTARGET;
     Mode_t anum;
 
-    if (MAXARG < 1) {
+    if (MAXARG < 1 || (!TOPs && !POPs)) {
        anum = PerlLIO_umask(022);
        /* setting it to 022 between the two calls to umask avoids
         * to have a window where the umask is set to 0 -- meaning
@@ -765,7 +765,7 @@ PP(pp_umask)
     /* Only DIE if trying to restrict permissions on "user" (self).
      * Otherwise it's harmless and more useful to just return undef
      * since 'group' and 'other' concepts probably don't exist here. */
-    if (MAXARG >= 1 && (POPi & 0700))
+    if (MAXARG >= 1 && (TOPs||POPs) && (POPi & 0700))
        DIE(aTHX_ "umask not implemented");
     XPUSHs(&PL_sv_undef);
 #endif
@@ -2092,7 +2092,7 @@ PP(pp_tell)
     GV *gv;
     IO *io;
 
-    if (MAXARG != 0)
+    if (MAXARG != 0 && (TOPs || POPs))
        PL_last_in_gv = MUTABLE_GV(POPs);
     else
        EXTEND(SP, 1);
@@ -3466,14 +3466,14 @@ PP(pp_chdir)
        if (PL_op->op_flags & OPf_SPECIAL) {
            gv = gv_fetchsv(sv, 0, SVt_PVIO);
        }
-        else if (isGV_with_GP(sv)) {
+        else if (SvGETMAGIC(sv), isGV_with_GP(sv)) {
            gv = MUTABLE_GV(sv);
         }
        else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) {
             gv = MUTABLE_GV(SvRV(sv));
         }
         else {
-           tmps = SvPV_nolen_const(sv);
+           tmps = SvPV_nomg_const_nolen(sv);
        }
     }