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111
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1 // { dg-do compile }
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2
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3 // Copyright (C) 2004 Free Software Foundation
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4 // Contributed by Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
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5
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6 // Nested class template of class template as friend
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7
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8 template<class T> struct A
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9 {
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10 template <T t> struct B
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11 {
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12 void f();
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13 };
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14 };
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15
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16 template <class U> class C {
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17 int i;
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18 template<class T> template <T t> friend struct A<T>::B;
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19 };
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20
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21 template<class T> struct A<T*>
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22 {
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23 template <T* t> struct B
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24 {
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25 void f();
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26 };
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27 };
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28
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29 template<> struct A<char>
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30 {
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31 template <char t> struct B
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32 {
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33 void f();
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34 };
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35 };
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36
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37 template<class T> template <T t> void A<T>::B<t>::f()
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38 {
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39 C<int> c;
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40 c.i = 0;
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41 }
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42
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43 template<class T> template <T* t> void A<T*>::B<t>::f()
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44 {
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45 C<int> c;
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46 c.i = 0;
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47 }
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48
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49 template <char t> void A<char>::B<t>::f()
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50 {
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51 C<int> c;
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52 c.i = 0;
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53 }
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54
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55 template <> void A<char>::B<'b'>::f()
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56 {
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57 C<int> c;
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58 c.i = 0;
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59 }
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60
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61 int d2 = 0;
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62
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63 int main()
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64 {
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65 A<int>::B<0> b1;
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66 b1.f();
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67 A<int *>::B<&d2> b2;
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68 b2.f();
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69 A<char>::B<'a'> b3;
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70 b3.f();
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71 A<char>::B<'b'> b4;
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72 b4.f();
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73 }
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