diff options
Diffstat (limited to 'vm_insnhelper.c')
| -rw-r--r-- | vm_insnhelper.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index c9ec803630..05ed3c62aa 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -570,8 +570,11 @@ vm_setivar(VALUE obj, ID id, VALUE val, IC ic, rb_call_info_t *ci, int is_attr) ic->ic_value.index = index; ic->ic_serial = RCLASS_SERIAL(klass); } + else if (index >= INT_MAX) { + rb_raise(rb_eArgError, "too many instance variables"); + } else { - ci->aux.index = index + 1; + ci->aux.index = (int)(index + 1); } } /* fall through */ |