pp_tie should completely reset the underlying hash's iterator state.

Previously it would mangle it, resetting EITER but not RITER, meaning that
after untie continuing iteration would be inconsistent - normally it would
carry on exactly where it left off, but if iteration had been in the middle
of a chain of HEs, it would skip the rest of the chain.

Fixes GH #19077

1 files changed, 1 insertions, 0 deletions

diff --git a/pp_sys.c b/pp_sys.c
index 2866959aa0..9b2d64ae2e 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -881,6 +881,7 @@ PP(pp_tie)
                 hv_free_ent((HV *)varsv, entry);
             }
             HvEITER_set(MUTABLE_HV(varsv), 0);
+            HvRITER_set(MUTABLE_HV(varsv), -1);
             break;
         }
         case SVt_PVAV: