1 // RUN: %clang_cc1 -fsyntax-only %s -verify
2
3 enum A { A1, A2, A3 };
test()4 void 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
12 enum B {B1, B2};
operator ++(B & b)13 inline B &operator++ (B &b) { b = B((int)b+1); return b; }
operator ++(B & b,int)14 inline B operator++ (B &b, int) { B ret = b; ++b; return b; }
15
foo(enum B b)16 void foo(enum B b) { ++b; b++; }
17