Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-char-2.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile } // { dg-options "-O2 -Wstrict-aliasing" } template<unsigned _Len, unsigned _Align> struct aligned_storage { union type { unsigned char __data[_Len]; struct __attribute__((__aligned__((_Align)))) { } __align; }; }; aligned_storage<sizeof(int), __alignof__(int)>::type storage; int main() { *reinterpret_cast<int*>(&storage) = 42; // { dg-bogus "break strict-aliasing" } }