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-rw-r--r--libgfortran/io/open.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c
index 5459509..7e42cc6 100644
--- a/libgfortran/io/open.c
+++ b/libgfortran/io/open.c
@@ -144,9 +144,10 @@ edit_modes (st_parameter_open *opp, gfc_unit * u, unit_flags * flags)
/* Status must be OLD if present. */
- if (flags->status != STATUS_UNSPECIFIED && flags->status != STATUS_OLD)
+ if (flags->status != STATUS_UNSPECIFIED && flags->status != STATUS_OLD &&
+ flags->status != STATUS_UNKNOWN)
generate_error (&opp->common, ERROR_BAD_OPTION,
- "OPEN statement must have a STATUS of OLD");
+ "OPEN statement must have a STATUS of OLD or UNKNOWN");
if (u->flags.form == FORM_UNFORMATTED)
{