diff options
Diffstat (limited to 'enumerator.c')
| -rw-r--r-- | enumerator.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/enumerator.c b/enumerator.c index 54cbdc482b..aa961851bf 100644 --- a/enumerator.c +++ b/enumerator.c @@ -1178,6 +1178,7 @@ generator_init(VALUE obj, VALUE proc) { struct generator *ptr; + rb_check_frozen(obj); TypedData_Get_Struct(obj, struct generator, &generator_data_type, ptr); if (!ptr) { |