1 files changed, 5 insertions, 1 deletions
@@ -529,10 +529,14 @@ exc_setup_message(const rb_execution_context_t *ec, VALUE mesg, VALUE *cause)
 rb_exc_check_circular_cause(*cause);
 #else
 VALUE c = *cause;
- while (!NIL_P(c = rb_attr_get(c, id_cause))) {
 if (c == mesg) {
 rb_raise(rb_eArgError, "circular causes");
 }
 }
 #endif
 }