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-rw-r--r--gcc/fortran/module.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index b29ba4b..c8a377d 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -3608,6 +3608,8 @@ mio_symbol (gfc_symbol *sym)
mio_symbol_attribute (&sym->attr);
mio_typespec (&sym->ts);
+ if (sym->ts.type == BT_CLASS)
+ sym->attr.class_ok = 1;
if (iomode == IO_OUTPUT)
mio_namespace_ref (&sym->formal_ns);