| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | // TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed |
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| 11 | // UNSUPPORTED: availability-pmr-missing |
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| 12 | |
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| 13 | // check that functions are marked [[nodiscard]] |
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| 14 | |
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| 15 | // [[nodiscard]] std::pmr::memory_resource::allocate(size_t, size_t); |
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| 16 | // [[nodiscard]] std::pmr::polymorphic_allocator<T>::allocate(size_t, size_t); |
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| 17 | |
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| 18 | #include <memory_resource> |
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| 19 | |
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| 20 | void f() { |
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| 21 | std::pmr::memory_resource* res = nullptr; |
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| 22 | res->allocate(bytes: 0); // expected-warning {{ignoring return value of function}} |
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| 23 | res->allocate(bytes: 0, alignment: 1); // expected-warning {{ignoring return value of function}} |
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| 24 | |
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| 25 | std::pmr::polymorphic_allocator<int> poly; |
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| 26 | poly.allocate(n: 0); // expected-warning {{ignoring return value of function}} |
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| 27 | } |
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| 28 | |
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