blob: a22523d7ac96b67605f10509ec8a0466db4c0303 [file] [log] [blame]
//===---------------- exception_object_alignment.pass.cpp -----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcxxabi-no-exceptions
// Check that the pointer __cxa_allocate_exception returns is aligned to the
// default alignment for the target architecture.
#include <cassert>
#include <cstdint>
#include <cxxabi.h>
#include <type_traits>
#include <__cxxabi_config.h>
struct S {
int a[4];
} __attribute__((aligned));
int main() {
#if !defined(_LIBCXXABI_ARM_EHABI)
void *p = __cxxabiv1::__cxa_allocate_exception(16);
auto i = reinterpret_cast<uintptr_t>(p);
auto a = std::alignment_of<S>::value;
assert(i % a == 0);
__cxxabiv1::__cxa_free_exception(p);
#endif
return 0;
}