| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test sized operator delete replacement. |
| |
| // Note that sized delete operator definitions below are simply ignored |
| // when sized deallocation is not supported, e.g., prior to C++14. |
| |
| // UNSUPPORTED: sanitizer-new-delete |
| // XFAIL: availability=macosx10.11 |
| // XFAIL: availability=macosx10.10 |
| // XFAIL: availability=macosx10.9 |
| // XFAIL: availability=macosx10.8 |
| // XFAIL: availability=macosx10.7 |
| |
| // NOTE: Only clang-3.7 and GCC 5.1 and greater support -fsized-deallocation. |
| // REQUIRES: -fsized-deallocation |
| |
| // RUN: %build -fsized-deallocation -O3 |
| // RUN: %run |
| |
| #if !defined(__cpp_sized_deallocation) |
| # error __cpp_sized_deallocation should be defined |
| #endif |
| |
| #if !(__cpp_sized_deallocation >= 201309L) |
| # error expected __cpp_sized_deallocation >= 201309L |
| #endif |
| |
| #include <new> |
| #include <cstddef> |
| #include <cstdlib> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int unsized_delete_called = 0; |
| int unsized_delete_nothrow_called = 0; |
| int sized_delete_called = 0; |
| |
| void operator delete(void* p) TEST_NOEXCEPT |
| { |
| ++unsized_delete_called; |
| std::free(p); |
| } |
| |
| void operator delete(void* p, const std::nothrow_t&) TEST_NOEXCEPT |
| { |
| ++unsized_delete_nothrow_called; |
| std::free(p); |
| } |
| |
| void operator delete(void* p, std::size_t) TEST_NOEXCEPT |
| { |
| ++sized_delete_called; |
| std::free(p); |
| } |
| |
| int main(int, char**) |
| { |
| int *x = new int(42); |
| DoNotOptimize(x); |
| assert(0 == sized_delete_called); |
| assert(0 == unsized_delete_called); |
| assert(0 == unsized_delete_nothrow_called); |
| |
| delete x; |
| DoNotOptimize(x); |
| assert(1 == sized_delete_called); |
| assert(0 == unsized_delete_called); |
| assert(0 == unsized_delete_nothrow_called); |
| |
| return 0; |
| } |