forked from OSchip/llvm-project
110 lines
5.1 KiB
C++
110 lines
5.1 KiB
C++
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12.0 -fexceptions -faligned-alloc-unavailable -std=c++1z -verify %s
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12.0 -fexceptions -std=c++1z -verify -DNO_ERRORS %s
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12.0 -fexceptions -faligned-allocation -faligned-alloc-unavailable -std=c++14 -verify %s
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namespace std {
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typedef decltype(sizeof(0)) size_t;
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enum class align_val_t : std::size_t {};
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struct nothrow_t {};
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nothrow_t nothrow;
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}
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void *operator new(std::size_t __sz, const std::nothrow_t&) noexcept;
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void *operator new[](std::size_t __sz, const std::nothrow_t&) noexcept;
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void *operator new(std::size_t __sz, std::align_val_t, const std::nothrow_t&) noexcept;
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void *operator new[](std::size_t __sz, std::align_val_t, const std::nothrow_t&) noexcept;
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void operator delete(void *, std::align_val_t, const std::nothrow_t&);
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void operator delete[](void *, std::align_val_t, const std::nothrow_t&);
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void operator delete(void*, std::size_t, std::align_val_t) noexcept;
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void operator delete[](void*, std::size_t, std::align_val_t) noexcept;
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void *operator new(std::size_t, std::align_val_t, long long);
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struct alignas(256) OveralignedS {
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int x[16];
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};
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struct S {
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int x[16];
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};
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void test() {
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auto *p = new S;
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delete p;
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p = new (std::nothrow) S;
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auto *pa = new S[4];
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delete[] pa;
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pa = new (std::nothrow) S[4];
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}
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void testOveraligned() {
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auto *p = new OveralignedS;
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p = new ((std::align_val_t)8) OveralignedS;
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delete p;
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p = new (std::nothrow) OveralignedS;
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auto *pa = new OveralignedS[4];
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pa = new ((std::align_val_t)8) OveralignedS[4];
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delete[] pa;
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pa = new (std::nothrow) OveralignedS[4];
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// No error here since it is not calling a replaceable allocation function.
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p = new ((std::align_val_t)8, 10LL) OveralignedS;
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}
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#ifdef NO_ERRORS
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// expected-no-diagnostics
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#else
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// expected-error@-16 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' possibly unavailable on}}
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// expected-note@-17 {{if you supply your own aligned allocation functions}}
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// expected-error@-18 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' possibly unavailable on}}
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// expected-note@-19 {{if you supply your own aligned allocation functions}}
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// expected-error@-20 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' possibly unavailable on}}
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// expected-note@-21 {{if you supply your own aligned allocation functions}}
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// expected-error@-22 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' possibly unavailable on}}
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// expected-note@-23 {{if you supply your own aligned allocation functions}}
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// expected-error@-24 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' possibly unavailable on}}
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// expected-note@-25 {{if you supply your own aligned allocation functions}}
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// expected-error@-26 {{aligned allocation function of type 'void *(std::size_t, std::align_val_t, const std::nothrow_t &) noexcept' possibly unavailable on}}
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// expected-note@-27 {{if you supply your own aligned allocation functions}}
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// expected-error@-28 {{aligned deallocation function of type 'void (void *, std::align_val_t, const std::nothrow_t &) noexcept' possibly unavailable on}}
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// expected-note@-29 {{if you supply your own aligned allocation functions}}
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// expected-error@-29 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' possibly unavailable on}}
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// expected-note@-30 {{if you supply your own aligned allocation functions}}
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// expected-error@-31 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' possibly unavailable on}}
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// expected-note@-32 {{if you supply your own aligned allocation functions}}
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// expected-error@-33 {{aligned allocation function of type 'void *(unsigned long, enum std::align_val_t)' possibly unavailable on}}
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// expected-note@-34 {{if you supply your own aligned allocation functions}}
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// expected-error@-35 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' possibly unavailable on}}
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// expected-note@-36 {{if you supply your own aligned allocation functions}}
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// expected-error@-37 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' possibly unavailable on}}
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// expected-note@-38 {{if you supply your own aligned allocation functions}}
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// expected-error@-39 {{aligned allocation function of type 'void *(std::size_t, std::align_val_t, const std::nothrow_t &) noexcept' possibly unavailable on}}
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// expected-note@-40 {{if you supply your own aligned allocation functions}}
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// expected-error@-41 {{aligned deallocation function of type 'void (void *, std::align_val_t, const std::nothrow_t &) noexcept' possibly unavailable on}}
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// expected-note@-42 {{if you supply your own aligned allocation functions}}
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#endif
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// No errors if user-defined aligned allocation functions are available.
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void *operator new(std::size_t __sz, std::align_val_t) {
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static char array[256];
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return &array;
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}
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void operator delete(void *p, std::align_val_t) {
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}
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void testOveraligned2() {
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auto p = new ((std::align_val_t)8) OveralignedS;
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delete p;
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}
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