-STATIC void lt_ptable_hints_clone(pTHX_ ptable_ent *ent, void *ud_) {
- my_cxt_t *ud = ud_;
- SV *val = ent->val;
-
- if (ud->owner != aTHX) {
- CLONE_PARAMS param;
- AV *stashes = (SvTYPE(val) == SVt_PVHV && HvNAME_get(val)) ? newAV() : NULL;
- param.stashes = stashes;
- param.flags = 0;
- param.proto_perl = ud->owner;
- val = sv_dup(val, ¶m);
- if (stashes) {
- av_undef(stashes);
- SvREFCNT_dec(stashes);
- }
- }
+/* ... Cloning global data ................................................. */
+
+#if LT_THREADSAFE
+
+typedef struct {
+ ptable *tbl;
+#if LT_HAS_PERL(5, 13, 2)
+ CLONE_PARAMS *params;
+#else
+ CLONE_PARAMS params;
+#endif
+} lt_ptable_clone_ud;
+
+#if LT_HAS_PERL(5, 13, 2)
+# define lt_ptable_clone_ud_init(U, T, O) \
+ (U).tbl = (T); \
+ (U).params = Perl_clone_params_new((O), aTHX)
+# define lt_ptable_clone_ud_deinit(U) Perl_clone_params_del((U).params)
+# define lt_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), (U)->params))
+#else
+# define lt_ptable_clone_ud_init(U, T, O) \
+ (U).tbl = (T); \
+ (U).params.stashes = newAV(); \
+ (U).params.flags = 0; \
+ (U).params.proto_perl = (O)
+# define lt_ptable_clone_ud_deinit(U) SvREFCNT_dec((U).params.stashes)
+# define lt_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), &((U)->params)))
+#endif
+
+STATIC void lt_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
+ lt_ptable_clone_ud *ud = ud_;
+ lt_hint_t *h1 = ent->val;
+ lt_hint_t *h2;
+
+#if LT_HINT_STRUCT
+
+ h2 = PerlMemShared_malloc(sizeof *h2);
+ h2->code = lt_dup_inc(h1->code, ud);
+#if LT_WORKAROUND_REQUIRE_PROPAGATION
+ h2->require_tag = PTR2IV(lt_dup_inc(INT2PTR(SV *, h1->require_tag), ud));
+#endif
+
+#else /* LT_HINT_STRUCT */
+
+ h2 = lt_dup_inc(h1, ud);