PoisonGC         1478 src/pkg/runtime/mgc0.c 					*(uintptr*)scanp = PoisonGC;
PoisonGC         1487 src/pkg/runtime/mgc0.c 					if(precise && (p < (byte*)PageSize || (uintptr)p == PoisonGC || (uintptr)p == PoisonStack)) {
PoisonGC          416 src/pkg/runtime/stack.c 			if(f != nil && (byte*)0 < p && (p < (byte*)PageSize || (uintptr)p == PoisonGC || (uintptr)p == PoisonStack)) {