1 // RUN: %clangxx -fno-sized-deallocation -O0 %s -o %t && %run %t 2 // RUN: %clangxx -fsized-deallocation -O0 %s -o %t && %run %t 3 4 // ubsan does not intercept new/delete. 5 // UNSUPPORTED: ubsan 6 7 // Check that all new/delete variants are defined and work with supported 8 // sanitizers. Sanitizer-specific failure modes tests are supposed to go to 9 // the particular sanitizer's test suites. 10 11 #include <cstddef> 12 13 // Define all new/delete to do not depend on the version provided by the 14 // platform. The implementation is provided by the sanitizer anyway. 15 16 namespace std { 17 struct nothrow_t {}; 18 static const nothrow_t nothrow; 19 enum class align_val_t : size_t {}; 20 } // namespace std 21 22 void *operator new(size_t); 23 void *operator new[](size_t); 24 void *operator new(size_t, std::nothrow_t const&); 25 void *operator new[](size_t, std::nothrow_t const&); 26 void *operator new(size_t, std::align_val_t); 27 void *operator new[](size_t, std::align_val_t); 28 void *operator new(size_t, std::align_val_t, std::nothrow_t const&); 29 void *operator new[](size_t, std::align_val_t, std::nothrow_t const&); 30 31 void operator delete(void*) throw(); 32 void operator delete[](void*) throw(); 33 void operator delete(void*, std::nothrow_t const&); 34 void operator delete[](void*, std::nothrow_t const&); 35 void operator delete(void*, size_t) throw(); 36 void operator delete[](void*, size_t) throw(); 37 void operator delete(void*, std::align_val_t) throw(); 38 void operator delete[](void*, std::align_val_t) throw(); 39 void operator delete(void*, std::align_val_t, std::nothrow_t const&); 40 void operator delete[](void*, std::align_val_t, std::nothrow_t const&); 41 void operator delete(void*, size_t, std::align_val_t) throw(); 42 void operator delete[](void*, size_t, std::align_val_t) throw(); 43 44 45 template<typename T> 46 inline T* break_optimization(T *arg) { 47 __asm__ __volatile__("" : : "r" (arg) : "memory"); 48 return arg; 49 } 50 51 52 struct S12 { int a, b, c; }; 53 struct alignas(128) S12_128 { int a, b, c; }; 54 struct alignas(256) S12_256 { int a, b, c; }; 55 struct alignas(512) S1024_512 { char a[1024]; }; 56 struct alignas(1024) S1024_1024 { char a[1024]; }; 57 58 59 int main(int argc, char **argv) { 60 delete break_optimization(new S12); 61 operator delete(break_optimization(new S12), std::nothrow); 62 delete [] break_optimization(new S12[100]); 63 operator delete[](break_optimization(new S12[100]), std::nothrow); 64 65 delete break_optimization(new S12_128); 66 operator delete(break_optimization(new S12_128), 67 std::align_val_t(alignof(S12_128))); 68 operator delete(break_optimization(new S12_128), 69 std::align_val_t(alignof(S12_128)), std::nothrow); 70 operator delete(break_optimization(new S12_128), sizeof(S12_128), 71 std::align_val_t(alignof(S12_128))); 72 73 delete [] break_optimization(new S12_128[100]); 74 operator delete[](break_optimization(new S12_128[100]), 75 std::align_val_t(alignof(S12_128))); 76 operator delete[](break_optimization(new S12_128[100]), 77 std::align_val_t(alignof(S12_128)), std::nothrow); 78 operator delete[](break_optimization(new S12_128[100]), sizeof(S12_128[100]), 79 std::align_val_t(alignof(S12_128))); 80 } 81