PoisonStack 1487 src/pkg/runtime/mgc0.c if(precise && (p < (byte*)PageSize || (uintptr)p == PoisonGC || (uintptr)p == PoisonStack)) { PoisonStack 410 src/pkg/runtime/stack.c scanp[i] = (byte*)PoisonStack; PoisonStack 416 src/pkg/runtime/stack.c if(f != nil && (byte*)0 < p && (p < (byte*)PageSize || (uintptr)p == PoisonGC || (uintptr)p == PoisonStack)) {