forked from OSchip/llvm-project
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// RUN: %check_clang_tidy %s -std=c++14 cert-mem57-cpp %t
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namespace std {
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typedef __typeof(sizeof(int)) size_t;
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void *aligned_alloc(size_t, size_t);
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void free(void *);
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} // namespace std
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struct alignas(128) Vector1 {
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char elems[128];
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};
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struct Vector2 {
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char elems[128];
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};
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struct alignas(128) Vector3 {
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char elems[128];
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static void *operator new(std::size_t nbytes) noexcept(true) {
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return std::aligned_alloc(alignof(Vector3), nbytes);
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}
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static void operator delete(void *p) {
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std::free(p);
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}
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};
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struct alignas(8) Vector4 {
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char elems[32];
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};
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void f() {
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auto *V1 = new Vector1;
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// 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]
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auto *V2 = new Vector2;
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auto *V3 = new Vector3;
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auto *V4 = new Vector4;
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auto *V1_Arr = new Vector1[2];
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// 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]
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}
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