overflow          139 gc/reclaim.c   	--> potential overflow; fix the code
overflow          286 src/gauche/vm.h     unsigned int overflow; /* flag to indicate queue overflow */
overflow          397 src/signal.c       if (vm->sigq.overflow) {
overflow          406 src/signal.c       if (vm->sigq.tail == vm->sigq.head) vm->sigq.overflow++;
overflow          418 src/signal.c       q->overflow = 0;
overflow          441 src/signal.c       q->overflow = 0; /*TODO: we should do something*/