1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x %s
2 // expected-no-diagnostics
3
4 enum X : short { A, B };
5 extern decltype(+A) x;
6 extern int x;
7
8 enum Y : long { C, D };
9 extern decltype(+C) y;
10 extern long y;
11
12 // An enum with a fixed underlying type has an integral promotion to that type,
13 // and to its promoted type.
14 enum B : bool { false_, true_ };
15 template<bool> struct T {};
16 T<false_> f;
17 T<true_> t;
18 // FIXME: DR1407 will make this ill-formed
19 T<+true_> q; // desired-error {{conversion from 'int' to 'bool'}}
20
21 enum B2 : bool {
22 a = false,
23 b = true,
24 c = false_,
25 d = true_,
26 // FIXME: DR1407 will make this ill-formed
27 e = +false_ // desired-error {{conversion from 'int' to 'bool'}}
28 };
29
30 namespace GH56560 {
31 enum GH56560_1 : bool;
GH56560_2(GH56560_1 a,GH56560_1 b)32 bool GH56560_2(GH56560_1 a, GH56560_1 b) {
33 return a == b;
34 }
35 } // namespace GH56560
36