1 // RUN: %clang_cc1 -fms-compatibility -fms-compatibility-version=19.33 -std=c++20 -ast-dump %s | FileCheck %s 2 3 // CHECK: used operator new 4 // CHECK: MSConstexprAttr 0x{{[0-9a-f]+}} <col:17, col:23> 5 [[nodiscard]] [[msvc::constexpr]] inline void* __cdecl operator new(decltype(sizeof(void*)), void* p) noexcept { return p; } 6 7 // CHECK: used constexpr construct_at 8 // CHECK: AttributedStmt 0x{{[0-9a-f]+}} <col:46, col:88> 9 // CHECK-NEXT: MSConstexprAttr 0x{{[0-9a-f]+}} <col:48, col:54> 10 // CHECK-NEXT: ReturnStmt 0x{{[0-9a-f]+}} <col:66, col:88> 11 constexpr int* construct_at(int* p, int v) { [[msvc::constexpr]] return ::new (p) int(v); } 12 constexpr bool check_construct_at() { int x; return *construct_at(&x, 42) == 42; } 13 static_assert(check_construct_at()); 14