gcc/testsuite/g++.dg/cpp0x/alignof6.C

   1 // PR c++/88115
   2 // { dg-do compile { target c++11 } }
   3 // { dg-additional-options "-Wno-pedantic" }
   4
   5 // Verify the non-standard extension alignof(expr) behaves like
   6 // alignof(type) to yield the ABI alignment of the type, and that
   7 // __alignof__(expr) behaves like __alignof__(type) to yield the
   8 // preferred alignment of the type.
   9
  10 static_assert(alignof(double{}) == alignof(double), "");
  11 static_assert(__alignof__(double{}) == __alignof__(double), "");
  12
  13 template <class T>
  14 void f() {
  15   static_assert(alignof(T{}) == alignof(T), "");
  16   static_assert(__alignof__(T{}) == __alignof__(T), "");
  17 }
  18
  19 template void f<double>();