hanchenye-llvm-project/clang/test/SemaCXX/enum.cpp

41 lines
762 B
C++

// RUN: clang -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) {
// FIXME: the message below should probably give context information
// in those types.
return q->bar(); // expected-error{{incompatible type returning 'enum e1', expected 'enum e1'}}
}
enum e2; // expected-error{{ISO C++ forbids forward references to 'enum' types}}