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-rw-r--r--gcc/fortran/resolve.c49
1 files changed, 41 insertions, 8 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 6f6cb781606..8d2be53b2cd 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -4781,12 +4781,6 @@ update_compcall_arglist (gfc_expr* e)
if (!po)
return FAILURE;
- if (po->rank > 0)
- {
- gfc_error ("Passed-object at %L must be scalar", &e->where);
- return FAILURE;
- }
-
if (tbp->nopass || e->value.compcall.ignore_pass)
{
gfc_free_expr (po);
@@ -4889,6 +4883,22 @@ check_typebound_baseobject (gfc_expr* e)
return FAILURE;
}
+ /* If the procedure called is NOPASS, the base object must be scalar. */
+ if (e->value.compcall.tbp->nopass && base->rank > 0)
+ {
+ gfc_error ("Base object for NOPASS type-bound procedure call at %L must"
+ " be scalar", &e->where);
+ return FAILURE;
+ }
+
+ /* FIXME: Remove once PR 41177 (this problem) is fixed completely. */
+ if (base->rank > 0)
+ {
+ gfc_error ("Non-scalar base object at %L currently not implemented",
+ &e->where);
+ return FAILURE;
+ }
+
return SUCCESS;
}
@@ -10038,8 +10048,11 @@ resolve_typebound_procedure (gfc_symtree* stree)
me_arg = proc->formal->sym;
}
- /* Now check that the argument-type matches. */
+ /* Now check that the argument-type matches and the passed-object
+ dummy argument is generally fine. */
+
gcc_assert (me_arg);
+
if (me_arg->ts.type != BT_CLASS)
{
gfc_error ("Non-polymorphic passed-object dummy argument of '%s'"
@@ -10055,7 +10068,27 @@ resolve_typebound_procedure (gfc_symtree* stree)
me_arg->name, &where, resolve_bindings_derived->name);
goto error;
}
-
+
+ gcc_assert (me_arg->ts.type == BT_CLASS);
+ if (me_arg->ts.u.derived->components->as
+ && me_arg->ts.u.derived->components->as->rank > 0)
+ {
+ gfc_error ("Passed-object dummy argument of '%s' at %L must be"
+ " scalar", proc->name, &where);
+ goto error;
+ }
+ if (me_arg->ts.u.derived->components->attr.allocatable)
+ {
+ gfc_error ("Passed-object dummy argument of '%s' at %L must not"
+ " be ALLOCATABLE", proc->name, &where);
+ goto error;
+ }
+ if (me_arg->ts.u.derived->components->attr.class_pointer)
+ {
+ gfc_error ("Passed-object dummy argument of '%s' at %L must not"
+ " be POINTER", proc->name, &where);
+ goto error;
+ }
}
/* If we are extending some type, check that we don't override a procedure
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