silence some compiler warnings

p4raw-id: //depot/perl@22440

diff --git a/pp_ctl.c b/pp_ctl.c
index d426005..fa2c87c 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -948,7 +948,7 @@ PP(pp_mapwhile)
             * (we use undef here). And so we certainly don't want to do mortal
             * copies of meaningless values. */
            while (items-- > 0) {
-               POPs;
+               (void)POPs;
                *dst-- = &PL_sv_undef;
            }
        }

diff --git a/sv.c b/sv.c
index ed6051a..f8bd408 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -4227,7 +4227,7 @@ Perl_sv_setsv_cow(pTHX_ SV *dstr, SV *sstr)
     }
     else
        new_SV(dstr);
-    SvUPGRADE (dstr, SVt_PVIV);
+    (void)SvUPGRADE (dstr, SVt_PVIV);
 
     assert (SvPOK(sstr));
     assert (SvPOKp(sstr));
@@ -4250,7 +4250,7 @@ Perl_sv_setsv_cow(pTHX_ SV *dstr, SV *sstr)
        SV_COW_NEXT_SV_SET(dstr, SV_COW_NEXT_SV(sstr));
     } else {
        assert ((SvFLAGS(sstr) & CAN_COW_MASK) == CAN_COW_FLAGS);
-       SvUPGRADE (sstr, SVt_PVIV);
+       (void)SvUPGRADE (sstr, SVt_PVIV);
        SvREADONLY_on(sstr);
        SvFAKE_on(sstr);
        DEBUG_C(PerlIO_printf(Perl_debug_log,