gcc/testsuite/g++.dg/cpp0x/auto22.C

   1 // PR c++/47999
   2 // { dg-options -std=c++0x }
   3
   4 int& identity(int& i)
   5 {
   6   return i;
   7 }
   8
   9 // In a function template, auto type deduction works incorrectly.
  10 template <typename = void>
  11 void f()
  12 {
  13   int i = 0;
  14   auto&& x = identity(i); // Type of x should be `int&`, but it is `int&&`.
  15 }
  16
  17 int main (int argc, char* argv[])
  18 {
  19   f();
  20   return 0;
  21 }