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()31 void 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