| 1 | // RUN: %clangxx_msan %s -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && %run %t >%t.out 2>&1 |
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| 2 | // RUN: %clangxx_msan %s -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && %run %t >%t.out 2>&1 |
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| 3 | // RUN: %clangxx_msan %s -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && %run %t >%t.out 2>&1 |
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| 4 | |
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| 5 | #include <sanitizer/msan_interface.h> |
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| 6 | #include <assert.h> |
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| 7 | |
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| 8 | struct Base { |
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| 9 | int x; |
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| 10 | Base() { x = 5; } |
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| 11 | virtual ~Base() {} |
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| 12 | }; |
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| 13 | |
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| 14 | struct Derived : public Base { |
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| 15 | int y; |
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| 16 | Derived() { y = 10; } |
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| 17 | ~Derived() {} |
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| 18 | }; |
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| 19 | |
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| 20 | int main() { |
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| 21 | Derived *d = new Derived(); |
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| 22 | d->~Derived(); |
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| 23 | |
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| 24 | // Verify that local pointer is unpoisoned, and that the object's |
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| 25 | // members are. |
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| 26 | assert(__msan_test_shadow(&d, sizeof(d)) == -1); |
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| 27 | assert(__msan_test_shadow(&d->x, sizeof(d->x)) != -1); |
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| 28 | assert(__msan_test_shadow(&d->y, sizeof(d->y)) != -1); |
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| 29 | |
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| 30 | Base *b = new Derived(); |
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| 31 | b->~Base(); |
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| 32 | |
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| 33 | // Verify that local pointer is unpoisoned, and that the object's |
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| 34 | // members are. |
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| 35 | assert(__msan_test_shadow(&b, sizeof(b)) == -1); |
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| 36 | assert(__msan_test_shadow(&b->x, sizeof(b->x)) != -1); |
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| 37 | |
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| 38 | return 0; |
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| 39 | } |
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| 40 | |
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