| // { dg-do run } |
| |
| // Contributed by Nathan Sidwell 15 Dec 2003 <nathan@codesourcery.com> |
| // Origin: Tasso Karkanis <Tasso.Karkanis@rogers.com> |
| // PR c++/13387. Clobbered tail padding of base |
| |
| inline void *operator new (__SIZE_TYPE__, void *ptr) |
| { |
| return ptr; |
| } |
| |
| struct Base { |
| Base() : i(0), c(0) {} |
| int i; |
| char c; |
| }; |
| |
| struct Sub : Base { |
| Sub () : d(0) {} |
| char d; |
| }; |
| |
| int main() { |
| Sub sub; |
| char base_alias[sizeof (Base)]; |
| Base *base; |
| |
| for (unsigned ix = sizeof base_alias; ix--;) |
| base_alias[ix] = 0x55; |
| base = new (&base_alias) Base (); |
| |
| static_cast <Base &> (sub) = *base; |
| return sub.d; |
| } |
