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