# if XSH_WORKAROUND_REQUIRE_PROPAGATION
h2->require_tag = PTR2UV(xsh_dup_inc(INT2PTR(SV *, h1->require_tag), ud->params));
# endif
# if XSH_WORKAROUND_REQUIRE_PROPAGATION
h2->require_tag = PTR2UV(xsh_dup_inc(INT2PTR(SV *, h1->require_tag), ud->params));
# endif