| // PR c++/79377 |
| // { dg-do run } |
| // { dg-options "-fpermissive" } |
| |
| struct A |
| { |
| A () : a (0) {} |
| A& operator++ () { ++a; ++c; return *this; } |
| int a; |
| static int c; |
| }; |
| |
| int A::c = 0; |
| |
| template <typename> |
| void |
| foo (A& a) |
| { |
| a++; // { dg-warning "trying prefix operator instead" } |
| if (A::c != 3 || a.a != 3) __builtin_abort (); |
| ++a; |
| if (A::c != 4 || a.a != 4) __builtin_abort (); |
| } |
| |
| int |
| main () |
| { |
| A a; |
| if (A::c != 0 || a.a != 0) __builtin_abort (); |
| ++a; |
| if (A::c != 1 || a.a != 1) __builtin_abort (); |
| a++; // { dg-warning "trying prefix operator instead" } |
| if (A::c != 2 || a.a != 2) __builtin_abort (); |
| foo<int> (a); |
| if (A::c != 4 || a.a != 4) __builtin_abort (); |
| } |
