// RUN: %clangxx_msan %s -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1 // RUN: %clangxx_msan %s -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1 // RUN: %clangxx_msan %s -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1 #include #include struct Base { int x; Base() { x = 5; } virtual ~Base() {} }; struct Derived : public Base { int y; Derived() { y = 10; } ~Derived() {} }; int main() { Derived *d = new Derived(); d->~Derived(); // Verify that local pointer is unpoisoned, and that the object's // members are. assert(__msan_test_shadow(&d, sizeof(d)) == -1); assert(__msan_test_shadow(&d->x, sizeof(d->x)) != -1); assert(__msan_test_shadow(&d->y, sizeof(d->y)) != -1); Base *b = new Derived(); b->~Base(); // Verify that local pointer is unpoisoned, and that the object's // members are. assert(__msan_test_shadow(&b, sizeof(b)) == -1); assert(__msan_test_shadow(&b->x, sizeof(b->x)) != -1); return 0; }