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14 lines
755 B
C++
14 lines
755 B
C++
// RUN: %clang_cc1 -fms-compatibility -fms-compatibility-version=19.33 -std=c++20 -ast-dump %s | FileCheck %s
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// CHECK: used operator new
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// CHECK: MSConstexprAttr 0x{{[0-9a-f]+}} <col:17, col:23>
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[[nodiscard]] [[msvc::constexpr]] inline void* __cdecl operator new(decltype(sizeof(void*)), void* p) noexcept { return p; }
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// CHECK: used constexpr construct_at
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// CHECK: AttributedStmt 0x{{[0-9a-f]+}} <col:46, col:88>
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// CHECK-NEXT: MSConstexprAttr 0x{{[0-9a-f]+}} <col:48, col:54>
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// CHECK-NEXT: ReturnStmt 0x{{[0-9a-f]+}} <col:66, col:88>
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constexpr int* construct_at(int* p, int v) { [[msvc::constexpr]] return ::new (p) int(v); }
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constexpr bool check_construct_at() { int x; return *construct_at(&x, 42) == 42; }
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static_assert(check_construct_at());
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