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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: libcxxabi-no-exceptions
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10
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11 // This test checks that the compiler does not make incorrect assumptions
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12 // about the alignment of the exception (only in that specific case, of
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13 // course).
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14 //
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15 // There was a bug where Clang would emit a call to memset assuming a 16-byte
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16 // aligned exception even when back-deploying to older Darwin systems where
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17 // exceptions are 8-byte aligned, which caused a segfault on those systems.
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18
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19 struct exception {
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20 exception() : x(0) { }
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21 virtual ~exception() { }
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22 int x;
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23 };
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24
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25 struct foo : exception { };
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26
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27 int main() {
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28 try {
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29 throw foo();
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30 } catch (...) {
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31
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32 }
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33 return 0;
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34 }
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