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[perl #31851] Threading crash with closures
[perl5.git] / sv.c
diff --git a/sv.c b/sv.c
index f3575ad..69b9e2e 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -10244,7 +10244,9 @@ Perl_re_dup(pTHX_ REGEXP *r, CLONE_PARAMS *param)
            case 'o':
                /* Compiled op trees are readonly, and can thus be
                   shared without duplication. */
+               OP_REFCNT_LOCK;
                d->data[i] = (void*)OpREFCNT_inc((OP*)r->data->data[i]);
+               OP_REFCNT_UNLOCK;
                break;
            case 'n':
                d->data[i] = r->data->data[i];
@@ -10955,7 +10957,9 @@ Perl_sv_dup(pTHX_ SV *sstr, CLONE_PARAMS* param)
        Perl_rvpv_dup(aTHX_ dstr, sstr, param);
        CvSTASH(dstr)   = hv_dup(CvSTASH(sstr), param); /* NOTE: not refcounted */
        CvSTART(dstr)   = CvSTART(sstr);
+       OP_REFCNT_LOCK;
        CvROOT(dstr)    = OpREFCNT_inc(CvROOT(sstr));
+       OP_REFCNT_UNLOCK;
        CvXSUB(dstr)    = CvXSUB(sstr);
        CvXSUBANY(dstr) = CvXSUBANY(sstr);
        if (CvCONST(sstr)) {