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