// 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] }