1 // RUN: %check_clang_tidy %s -std=c++14 cert-mem57-cpp %t 2 3 namespace std { 4 typedef __typeof(sizeof(int)) size_t; 5 void *aligned_alloc(size_t, size_t); 6 void free(void *); 7 } // namespace std 8 9 struct alignas(128) Vector1 { 10 char elems[128]; 11 }; 12 13 struct Vector2 { 14 char elems[128]; 15 }; 16 17 struct alignas(128) Vector3 { 18 char elems[128]; operator newVector319 static void *operator new(std::size_t nbytes) noexcept(true) { 20 return std::aligned_alloc(alignof(Vector3), nbytes); 21 } operator deleteVector322 static void operator delete(void *p) { 23 std::free(p); 24 } 25 }; 26 27 struct alignas(8) Vector4 { 28 char elems[32]; 29 }; 30 f()31void f() { 32 auto *V1 = new Vector1; 33 // 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] 34 auto *V2 = new Vector2; 35 auto *V3 = new Vector3; 36 auto *V4 = new Vector4; 37 auto *V1_Arr = new Vector1[2]; 38 // 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] 39 } 40