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1 // PR c++/89622
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2 // { dg-do compile { target c++11 } }
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3 // { dg-options "-Wno-system-headers -w" }
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4 // { dg-bogus "says that these are ambiguous" "" { target *-*-* } 0 }
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5 // { dg-bogus "candidate 1" "" { target *-*-* } 0 }
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6 // { dg-bogus "candidate 2" "" { target *-*-* } 0 }
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7
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8 # 3 "pr89622.h" 3
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9 template<typename T>
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10 struct X
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11 {
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12 X() { }
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13 template<typename U> X(int, U&&) { }
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14 template<typename U> X(char, const X<U>&) { }
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15 };
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16
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17 template<typename T>
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18 X<T> wrap_X(X<T> x)
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19 {
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20 return X<T>('a', x);
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21 }
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22
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23 int main()
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24 {
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25 X<void> x;
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26 wrap_X(x);
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27 }
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