81 lines · cpp
1// RUN: %clangxx -fno-sized-deallocation -O0 %s -o %t && %run %t2// RUN: %clangxx -fsized-deallocation -O0 %s -o %t && %run %t3 4// ubsan does not intercept new/delete.5// UNSUPPORTED: ubsan6 7// Check that all new/delete variants are defined and work with supported8// sanitizers. Sanitizer-specific failure modes tests are supposed to go to9// 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 the14// platform. The implementation is provided by the sanitizer anyway.15 16namespace std {17struct nothrow_t {};18static const nothrow_t nothrow;19enum class align_val_t : size_t {};20} // namespace std21 22void *operator new(size_t);23void *operator new[](size_t);24void *operator new(size_t, std::nothrow_t const&);25void *operator new[](size_t, std::nothrow_t const&);26void *operator new(size_t, std::align_val_t);27void *operator new[](size_t, std::align_val_t);28void *operator new(size_t, std::align_val_t, std::nothrow_t const&);29void *operator new[](size_t, std::align_val_t, std::nothrow_t const&);30 31void operator delete(void*) throw();32void operator delete[](void*) throw();33void operator delete(void*, std::nothrow_t const&);34void operator delete[](void*, std::nothrow_t const&);35void operator delete(void*, size_t) throw();36void operator delete[](void*, size_t) throw();37void operator delete(void*, std::align_val_t) throw();38void operator delete[](void*, std::align_val_t) throw();39void operator delete(void*, std::align_val_t, std::nothrow_t const&);40void operator delete[](void*, std::align_val_t, std::nothrow_t const&);41void operator delete(void*, size_t, std::align_val_t) throw();42void operator delete[](void*, size_t, std::align_val_t) throw();43 44 45template<typename T>46inline T* break_optimization(T *arg) {47 __asm__ __volatile__("" : : "r" (arg) : "memory");48 return arg;49}50 51 52struct S12 { int a, b, c; };53struct alignas(128) S12_128 { int a, b, c; };54struct alignas(256) S12_256 { int a, b, c; };55struct alignas(512) S1024_512 { char a[1024]; };56struct alignas(1024) S1024_1024 { char a[1024]; };57 58 59int 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