1// RUN: %clang_cc1 -fsyntax-only %s -verify
2
3enum A { A1, A2, A3 };
4void test() {
5  A a;
6  a++;  // expected-error{{cannot increment expression of enum type 'A'}}
7  a--;  // expected-error{{cannot decrement expression of enum type 'A'}}
8  ++a;  // expected-error{{cannot increment expression of enum type 'A'}}
9  --a;  // expected-error{{cannot decrement expression of enum type 'A'}}
10}
11
12enum B {B1, B2};
13inline B &operator++ (B &b) { b = B((int)b+1); return b; }
14inline B operator++ (B &b, int) { B ret = b; ++b; return b; }
15
16void foo(enum B b) { ++b; b++; }
17