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Diffstat (limited to 'variable.c')
| -rw-r--r-- | variable.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/variable.c b/variable.c index f297900cf0..f1d89ab615 100644 --- a/variable.c +++ b/variable.c @@ -3939,6 +3939,7 @@ rb_class_ivar_set(VALUE obj, ID key, VALUE value) { RUBY_ASSERT(RB_TYPE_P(obj, T_CLASS) || RB_TYPE_P(obj, T_MODULE)); int found; + rb_check_frozen(obj); RB_VM_LOCK_ENTER(); { |