[perl #119043] Exempt shared hash key consts from ro

[perl5.git] / pp_ctl.c

diff --git a/pp_ctl.c b/pp_ctl.c
index 87eadd2..ff3d661 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -229,7 +229,7 @@ PP(pp_substcont)
        if (CxONCE(cx) || s < orig ||
                 !CALLREGEXEC(rx, s, cx->sb_strend, orig,
                             (s == m), cx->sb_targ, NULL,
-                                (REXEC_IGNOREPOS|REXEC_NOT_FIRST)))
+                    (REXEC_IGNOREPOS|REXEC_NOT_FIRST|REXEC_FAIL_ON_UNDERFLOW)))
        {
            SV *targ = cx->sb_targ;