39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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// No PCH:
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// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include %s -verify %s
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//
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// With PCH:
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// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -emit-pch %s -o %t
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// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include-pch %t -verify %s
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// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -emit-pch -fpch-instantiate-templates %s -o %t
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// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include-pch %t -verify %s
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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using size_t = decltype(sizeof(0));
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// Call the overaligned form of 'operator new'.
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struct alignas(256) Q { int n; };
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void *f() { return new Q; }
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// Extract the std::align_val_t type from the implicit declaration of operator delete.
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template<typename AlignValT>
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AlignValT extract(void (*)(void*, size_t, AlignValT));
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using T = decltype(extract(&operator delete));
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#else
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// ok, calls aligned allocation via placement syntax
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void *q = new (T{16}) Q;
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namespace std {
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enum class align_val_t : size_t {};
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}
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using T = std::align_val_t; // ok, same type
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#endif
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