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Diffstat (limited to 'vm_insnhelper.c')
-rw-r--r--vm_insnhelper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 7d849b0081..a5c194e0ee 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -1773,7 +1773,7 @@ vm_call_method(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *ci)
CI_SET_FASTPATH(ci, vm_call_cfunc, enable_fastpath);
return vm_call_cfunc(th, cfp, ci);
case VM_METHOD_TYPE_ATTRSET:{
- rb_check_arity(ci->argc, 0, 1);
+ rb_check_arity(ci->argc, 1, 1);
ci->aux.index = 0;
CI_SET_FASTPATH(ci, vm_call_attrset, enable_fastpath && !(ci->flag & VM_CALL_ARGS_SPLAT));
return vm_call_attrset(th, cfp, ci);