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-rw-r--r--libgfortran/io/transfer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libgfortran/io/transfer.c b/libgfortran/io/transfer.c
index 8bc828c..df33bed 100644
--- a/libgfortran/io/transfer.c
+++ b/libgfortran/io/transfer.c
@@ -3993,6 +3993,10 @@ finalize_transfer (st_parameter_dt *dtp)
if (dtp->u.p.unit_is_internal)
{
+ /* The unit structure may be reused later so clear the
+ internal unit kind. */
+ dtp->u.p.current_unit->internal_unit_kind = 0;
+
fbuf_destroy (dtp->u.p.current_unit);
if (dtp->u.p.current_unit
&& (dtp->u.p.current_unit->child_dtio == 0)