58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -std=c++11 -faligned-allocation -fsyntax-only -verify %s
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// RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -std=c++14 -faligned-allocation -fsyntax-only -verify %s
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// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -std=c++17 -faligned-allocation -fsyntax-only -verify %s
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namespace std {
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typedef __SIZE_TYPE__ size_t;
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struct nothrow_t {};
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#if __cplusplus >= 201103L
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enum class align_val_t : size_t {};
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#else
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enum align_val_t {
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// We can't force an underlying type when targeting windows.
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#ifndef _WIN32
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__zero = 0,
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__max = (size_t)-1
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#endif
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};
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#endif
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} // namespace std
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void *operator new(std::size_t count, std::align_val_t al) __attribute__((alloc_align(2)));
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#define OVERALIGNED alignas(__STDCPP_DEFAULT_NEW_ALIGNMENT__ * 2)
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struct OVERALIGNED A {
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A();
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int n[128];
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};
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void *ptr_variable(int align) { return new (std::align_val_t(align)) A; }
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void *ptr_align16() { return new (std::align_val_t(16)) A; }
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void *ptr_align15() { return new (std::align_val_t(15)) A; } // expected-warning {{requested alignment is not a power of 2}}
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struct alignas(128) S {
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S() {}
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};
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void *alloc_overaligned_struct() {
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return new S;
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}
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void *alloc_overaligned_struct_with_extra_variable_alignment(int align) {
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return new (std::align_val_t(align)) S;
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}
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void *alloc_overaligned_struct_with_extra_256_alignment(int align) {
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return new (std::align_val_t(256)) S;
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}
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void *alloc_overaligned_struct_with_extra_255_alignment(int align) {
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return new (std::align_val_t(255)) S; // expected-warning {{requested alignment is not a power of 2}}
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}
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std::align_val_t align_variable(int align) { return std::align_val_t(align); }
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std::align_val_t align_align16() { return std::align_val_t(16); }
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std::align_val_t align_align15() { return std::align_val_t(15); }
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