regexec.c: fix some compiler warnings

diff --git a/regexec.c b/regexec.c
index 2d49c84..a6de6a8 100644 (file)
--- a/regexec.c
+++ b/regexec.c
@@ -2555,7 +2555,7 @@ S_regtry(pTHX_ regmatch_info *reginfo, char **startpos)
        /* This is safe against NULLs: */
        ReREFCNT_dec(PM_GETRE(PL_reg_curpm));
        /* PM_reg_curpm owns a reference to this regexp.  */
-       ReREFCNT_inc(rx);
+       (void)ReREFCNT_inc(rx);
 #endif
        PM_SETRE(PL_reg_curpm, rx);
        PL_reg_oldcurpm = PL_curpm;
@@ -5401,7 +5401,7 @@ NULL
                rex = (struct regexp *)SvANY(rex_sv);
                rexi = RXi_GET(rex);
                cur_curlyx = cur_eval->u.eval.prev_curlyx;
-               ReREFCNT_inc(rex_sv);
+               (void)ReREFCNT_inc(rex_sv);
                st->u.eval.cp = regcppush(0);   /* Save *all* the positions. */
 
                /* rex was changed so update the pointer in PL_reglastparen and PL_reglastcloseparen */