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authorJanus Weil <janus@gcc.gnu.org>2018-02-15 22:16:00 +0100
committerJanus Weil <janus@gcc.gnu.org>2018-02-15 22:16:00 +0100
commitf3ad8745b0559b3abc4253dbc3a659295b142379 (patch)
tree0045b7dc9a42f86c8ce13179f571cc71a04c5754 /gcc/fortran/interface.c
parent51f174c0efe187d46102bf8010d6096cada1a0cb (diff)
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re PR fortran/84409 ([F03] check DTIO arguments for character len)
2018-02-15 Janus Weil <janus@gcc.gnu.org> PR fortran/84409 * interface.c (check_dtio_arg_TKR_intent): Add a check for character length. 2018-02-15 Janus Weil <janus@gcc.gnu.org> PR fortran/84409 * gfortran.dg/dtio_21.f03: Add an error message. * gfortran.dg/dtio_22.f90: Fix invalid test case. From-SVN: r257711
Diffstat (limited to 'gcc/fortran/interface.c')
-rw-r--r--gcc/fortran/interface.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index a5f3f4d..ad02928 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -4673,7 +4673,7 @@ gfc_check_typebound_override (gfc_symtree* proc, gfc_symtree* old)
/* The following three functions check that the formal arguments
of user defined derived type IO procedures are compliant with
- the requirements of the standard. */
+ the requirements of the standard, see F03:9.5.3.7.2 (F08:9.6.4.8.3). */
static void
check_dtio_arg_TKR_intent (gfc_symbol *fsym, bool typebound, bt type,
@@ -4702,6 +4702,10 @@ check_dtio_arg_TKR_intent (gfc_symbol *fsym, bool typebound, bt type,
gfc_error ("DTIO dummy argument at %L must be an "
"ASSUMED SHAPE ARRAY", &fsym->declared_at);
+ if (type == BT_CHARACTER && fsym->ts.u.cl->length != NULL)
+ gfc_error ("DTIO character argument at %L must have assumed length",
+ &fsym->declared_at);
+
if (fsym->attr.intent != intent)
gfc_error ("DTIO dummy argument at %L must have INTENT %s",
&fsym->declared_at, gfc_code2string (intents, (int)intent));