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-rw-r--r--gcc/fortran/module.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index 3670a3a..12d52c4 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -2483,8 +2483,7 @@ mio_expr (gfc_expr ** ep)
case EXPR_SUBSTRING:
e->value.character.string = (char *)
mio_allocated_string (e->value.character.string);
- mio_expr (&e->op1);
- mio_expr (&e->op2);
+ mio_ref_list (&e->ref);
break;
case EXPR_STRUCTURE: