diff options
Diffstat (limited to 'test/cfi/vdtor.cpp')
-rw-r--r-- | test/cfi/vdtor.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/cfi/vdtor.cpp b/test/cfi/vdtor.cpp new file mode 100644 index 000000000000..e21883c380dd --- /dev/null +++ b/test/cfi/vdtor.cpp @@ -0,0 +1,62 @@ +// RUN: %clangxx_cfi -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx_cfi -DB32 -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx_cfi -DB64 -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx_cfi -DBM -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx -o %t %s +// RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s + +// Tests that the CFI enforcement also applies to virtual destructor calls made +// via 'delete'. + +#include <stdio.h> +#include "utils.h" + +struct A { + virtual ~A(); +}; + +A::~A() {} + +struct B { + virtual ~B(); +}; + +B::~B() {} + +int main() { +#ifdef B32 + break_optimization(new Deriver<B, 0>); +#endif + +#ifdef B64 + break_optimization(new Deriver<B, 0>); + break_optimization(new Deriver<B, 1>); +#endif + +#ifdef BM + break_optimization(new Deriver<B, 0>); + break_optimization(new Deriver<B, 1>); + break_optimization(new Deriver<B, 2>); +#endif + + A *a = new A; + break_optimization(a); + + // CFI: 1 + // NCFI: 1 + fprintf(stderr, "1\n"); + + delete (B *)a; // UB here + + // CFI-NOT: 2 + // NCFI: 2 + fprintf(stderr, "2\n"); +} |