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-rw-r--r--gcc/fortran/decl.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index cf750391ef1..7ff2f0df297 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -906,6 +906,7 @@ char_len_param_value (gfc_expr **expr, bool *deferred)
goto syntax;
else if ((*expr)->expr_type == EXPR_VARIABLE)
{
+ bool t;
gfc_expr *e;
e = gfc_copy_expr (*expr);
@@ -917,7 +918,15 @@ char_len_param_value (gfc_expr **expr, bool *deferred)
&& e->ref->u.ar.dimen_type[0] == DIMEN_RANGE)
goto syntax;
- gfc_reduce_init_expr (e);
+ t = gfc_reduce_init_expr (e);
+
+ if (!t && (e->ts.type == BT_UNKNOWN
+ && e->symtree->n.sym->attr.untyped == 1
+ && e->symtree->n.sym->ns->seen_implicit_none == 1))
+ {
+ gfc_free_expr (e);
+ goto syntax;
+ }
if ((e->ref && e->ref->type == REF_ARRAY
&& e->ref->u.ar.type != AR_ELEMENT)