gcc/testsuite/g++.dg/ext/tmplattr2.C

   1 // PR c++/17743
   2
   3 template <unsigned Len, unsigned Align>
   4 struct aligned_storage
   5 {
   6   typedef char type[Len] __attribute__((aligned((Align))));
   7 };
   8
   9 template<typename T>
  10 struct X
  11 {
  12   typename aligned_storage<sizeof(T),__alignof(T)>::type data;
  13 };
  14
  15 template<bool> struct StaticAssert;
  16 template<> struct StaticAssert<true> {};
  17
  18 StaticAssert<__alignof (X<double>) == __alignof (double)> dummy;