diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/exception_object_alignment.pass.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/exception_object_alignment.pass.cpp b/test/exception_object_alignment.pass.cpp new file mode 100644 index 0000000..addef18 --- /dev/null +++ b/test/exception_object_alignment.pass.cpp @@ -0,0 +1,33 @@ +//===---------------- exception_object_alignment.pass.cpp -----------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// 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); +#endif + return 0; +} |