libstdc++-v3/testsuite/26_numerics/valarray/mask-5_neg.cc

   1 // { dg-options "-D_GLIBCXX_ASSERTIONS" }
   2 // { dg-do run { xfail *-*-* } }
   3
   4 #include <valarray>
   5
   6 int main()
   7 {
   8   using std::valarray;
   9   using std::mask_array;
  10
  11   // This is adapted from an example in C++11 [valarray.sub].
  12
  13   valarray<char> v0("abcdef", 6);
  14   valarray<char> v1("ABCDEF", 6);
  15   const bool vb[] = {false, false, true, true, false, true};
  16   const mask_array<char> m0 = v0[valarray<bool>(vb, 6)];
  17   const mask_array<char> m1 = v1[valarray<bool>(vb, 5)];
  18   m0 = m1; // aborts, m0 has more elements than m1
  19 }