| 1 | // No PCH: |
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| 2 | // RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include %s -verify %s |
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| 3 | // |
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| 4 | // With PCH: |
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| 5 | // RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -emit-pch %s -o %t |
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| 6 | // RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include-pch %t -verify %s |
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| 7 | |
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| 8 | // expected-no-diagnostics |
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| 9 | |
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| 10 | #ifndef HEADER |
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| 11 | #define HEADER |
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| 12 | |
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| 13 | using size_t = decltype(sizeof(0)); |
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| 14 | |
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| 15 | // Call the overaligned form of 'operator new'. |
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| 16 | struct alignas(256) Q { int n; }; |
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| 17 | void *f() { return new Q; } |
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| 18 | |
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| 19 | // Extract the std::align_val_t type from the implicit declaration of operator delete. |
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| 20 | template<typename AlignValT> |
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| 21 | AlignValT extract(void (*)(void*, size_t, AlignValT)); |
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| 22 | using T = decltype(extract(&operator delete)); |
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| 23 | |
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| 24 | #else |
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| 25 | |
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| 26 | // ok, calls aligned allocation via placement syntax |
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| 27 | void *q = new (T{16}) Q; |
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| 28 | |
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| 29 | namespace std { |
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| 30 | enum class align_val_t : size_t {}; |
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| 31 | } |
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| 32 | |
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| 33 | using T = std::align_val_t; // ok, same type |
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| 34 | |
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| 35 | #endif |
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| 36 | |
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