blob: 3315de00ca83e36b1f62c3641087d67c08464915 [file] [log] [blame]
// RUN: clang-cc -fsyntax-only -verify %s
enum E {
Val1,
Val2
};
int& enumerator_type(int);
float& enumerator_type(E);
void f() {
E e = Val1;
float& fr = enumerator_type(Val2);
}
// <rdar://problem/6502934>
typedef enum Foo {
A = 0,
B = 1
} Foo;
void bar() {
Foo myvar = A;
myvar = B;
}
/// PR3688
struct s1 {
enum e1 (*bar)(void); // expected-error{{ISO C++ forbids forward references to 'enum' types}}
};
enum e1 { YES, NO };
static enum e1 badfunc(struct s1 *q) {
return q->bar();
}
enum e2; // expected-error{{ISO C++ forbids forward references to 'enum' types}}
namespace test1 {
template <class A, class B> struct is_same { static const int value = -1; };
template <class A> struct is_same<A,A> { static const int value = 1; };
enum enum0 { v0 };
int test0[is_same<typeof(+v0), int>::value];
enum enum1 { v1 = __INT_MAX__ };
int test1[is_same<typeof(+v1), int>::value];
enum enum2 { v2 = __INT_MAX__ * 2U };
int test2[is_same<typeof(+v2), unsigned int>::value];
// This kindof assumes that 'int' is smaller than 'long long'.
#if defined(__LP64__)
enum enum3 { v3 = __LONG_LONG_MAX__ };
int test3[is_same<typeof(+v3), long>::value];
enum enum4 { v4 = __LONG_LONG_MAX__ * 2ULL };
int test4[is_same<typeof(+v4), unsigned long>::value];
#else
enum enum3 { v3 = __LONG_LONG_MAX__ };
int test3[is_same<typeof(+v3), long long>::value];
enum enum4 { v4 = __LONG_LONG_MAX__ * 2ULL };
int test4[is_same<typeof(+v4), unsigned long long>::value];
#endif
}