#include #include struct Simple { int x_; Simple() { x_ = 5; } ~Simple() { x_ += 1; } }; Simple *volatile SimpleSink; extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { if (Size < 4) return 0; if (Data[0] == 'F' && Data[1] == 'U' && Data[2] == 'Z' && Data[3] == 'Z') { { Simple S; SimpleSink = &S; } if (SimpleSink->x_) fprintf(stderr, "Failed to catch use-after-dtor\n"); } return 0; }