| // RUN: %check_clang_tidy %s -std=c++14 cert-mem57-cpp %t |
| |
| namespace std { |
| typedef __typeof(sizeof(int)) size_t; |
| void *aligned_alloc(size_t, size_t); |
| void free(void *); |
| } // namespace std |
| |
| struct alignas(128) Vector1 { |
| char elems[128]; |
| }; |
| |
| struct Vector2 { |
| char elems[128]; |
| }; |
| |
| struct alignas(128) Vector3 { |
| char elems[128]; |
| static void *operator new(std::size_t nbytes) noexcept(true) { |
| return std::aligned_alloc(alignof(Vector3), nbytes); |
| } |
| static void operator delete(void *p) { |
| std::free(p); |
| } |
| }; |
| |
| struct alignas(8) Vector4 { |
| char elems[32]; |
| }; |
| |
| void f() { |
| auto *V1 = new Vector1; |
| // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: allocation function returns a pointer with alignment {{[0-9]+}} but the over-aligned type being allocated requires alignment 128 [cert-mem57-cpp] |
| auto *V2 = new Vector2; |
| auto *V3 = new Vector3; |
| auto *V4 = new Vector4; |
| auto *V1_Arr = new Vector1[2]; |
| // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: allocation function returns a pointer with alignment {{[0-9]+}} but the over-aligned type being allocated requires alignment 128 [cert-mem57-cpp] |
| } |