gcc/testsuite/g++.dg/cpp0x/auto3.C

   1 // Negative test for auto
   2 // { dg-do compile { target c++11 } }
   3
   4 #include <initializer_list>
   5
   6 auto x;                         // { dg-error "auto" }
   7
   8 // If the type deduced for the template parameter U is not the same in each
   9 // deduction, the program is ill-formed.
  10 auto i = 42, j = 42.0;          // { dg-error "auto" }
  11
  12 // New CWG issue
  13 auto a[2] = { 1, 2 };           // { dg-error "6:.a. declared as array of .auto" }
  14
  15 template<class T>
  16 struct A { };
  17
  18 A<int> A1;
  19 // CWG issue 625
  20 A<auto> A2 = A1;                // { dg-error "" "" { target { ! concepts } } }
  21
  22 auto foo() { }                  // { dg-error "auto" "" { target { ! c++14 } } }
  23
  24 void bar(auto i)                // { dg-error "incomplete|auto" "" { target { ! concepts } } }
  25 {
  26   (void)i;
  27 }