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1 // { dg-do compile { target c++11 } }
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2
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3 template<typename T> struct S1
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4 {
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5 struct S2
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6 {
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7 // opaque enum declarations
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8 enum class E1;
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9 enum class E2 : T;
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10 enum class E3 : short;
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11 enum E4 : T;
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12 enum E5 : short;
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13
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14 // can be repeated
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15 enum class E1;
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16 enum class E2 : T;
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17 enum class E3 : short;
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18 enum E4 : T;
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19 enum E5 : short;
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20 };
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21
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22 // are complete so we can declare variables
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23 typename S2::E1 b1;
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24 typename S2::E2 b2;
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25 typename S2::E3 b3;
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26 typename S2::E4 b4;
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27 typename S2::E5 b5;
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28
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29 //even with elaborated-type-specifiers
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30 enum S1::S2::E1 a1;
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31 enum S1::S2::E2 a2;
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32 enum S1::S2::E3 a3;
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33 enum S1::S2::E4 a4;
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34 enum S1::S2::E5 a5;
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35
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36 // and the list can be added later
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37 enum class S1::S2::E1 { e11, e12 };
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38 enum class S1::S2::E2 : T { e21, e22 };
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39 enum class S1::S2::E3 : short {e31, e32 };
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40 enum S1::S2::E4 : T { e41, e42 };
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41 enum S1::S2::E5 : short { e51, e52 };
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42 };
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43
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44 template struct S1<int>;
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