GC_STRESS off by default
GC_STRESS off by default

dcurrie/picrin,koba-e964/picrin,koba-e964/picrin,koba-e964/picrin,omasanori/picrin,ktakashi/picrin,omasanori/picrin,leavesbnw/picrin,picrin-scheme/picrin,ktakashi/picrin,ktakashi/picrin,picrin-scheme/picrin,dcurrie/picrin,leavesbnw/picrin,leavesbnw/picrin