17 lines
		
	
	
		
			560 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			560 B
		
	
	
	
		
			C++
		
	
	
	
	
	
// RUN: %clang_cc1 -fsyntax-only %s -verify
 | 
						|
 | 
						|
enum A { A1, A2, A3 };
 | 
						|
void test() {
 | 
						|
  A a;
 | 
						|
  a++;  // expected-error{{cannot increment expression of enum type 'A'}}
 | 
						|
  a--;  // expected-error{{cannot decrement expression of enum type 'A'}}
 | 
						|
  ++a;  // expected-error{{cannot increment expression of enum type 'A'}}
 | 
						|
  --a;  // expected-error{{cannot decrement expression of enum type 'A'}}
 | 
						|
}
 | 
						|
 | 
						|
enum B {B1, B2};
 | 
						|
inline B &operator++ (B &b) { b = B((int)b+1); return b; }
 | 
						|
inline B operator++ (B &b, int) { B ret = b; ++b; return b; }
 | 
						|
 | 
						|
void foo(enum B b) { ++b; b++; }
 |