Mercurial > hg > CbC > CbC_llvm
view libcxxabi/test/exception_object_alignment.2.pass.cpp @ 240:ca573705d418
merge
author | matac |
---|---|
date | Fri, 28 Jul 2023 20:50:09 +0900 |
parents | 2e18cbf3894f |
children |
line wrap: on
line source
//===----------------------------------------------------------------------===// // // 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: no-exceptions // This test checks that the compiler does not make incorrect assumptions // about the alignment of the exception (only in that specific case, of // course). // // There was a bug where Clang would emit a call to memset assuming a 16-byte // aligned exception even when back-deploying to older Darwin systems where // exceptions are 8-byte aligned, which caused a segfault on those systems. struct exception { exception() : x(0) { } virtual ~exception() { } int x; }; struct foo : exception { }; int main(int, char**) { try { throw foo(); } catch (...) { } return 0; }