Revert #11973, the dTHX seems to be needed in there

for threaded builds.

p4raw-id: //depot/perl@11978

1 files changed, 1 insertions, 0 deletions

diff --git a/perlio.c b/perlio.c
index cef9efebea..549a1877b0 100644
--- a/perlio.c
+++ b/perlio.c
@@ -407,6 +407,7 @@ PerlIO_list_free(PerlIO_list_t *list)
 void
 PerlIO_list_push(PerlIO_list_t *list,PerlIO_funcs *funcs,SV *arg)
 {
+ dTHX;
  PerlIO_pair_t *p;
  if (list->cur >= list->len)
   {