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150
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1 // RUN: %clang_cc1 -verify %s
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2
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3 namespace deduce_pack_non_pack {
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4 template <typename...> class A;
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5 template <typename> struct C {};
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6 template <typename T> void g(C<A<T>>); // expected-note {{candidate template ignored: deduced type 'C<A<[...], (no argument)>>' of 1st parameter does not match adjusted type 'C<A<[...], int>>' of argument [with T = bool]}}
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7 void h(C<A<bool, int>> &x) { g(x); } // expected-error {{no matching function}}
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8 }
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9
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10 namespace pr39231 {
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11 template<typename T, T ...V> struct integer_sequence {};
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12
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13 template <typename T, T... A, T... B>
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14 int operator^(integer_sequence<T, A...> a, // expected-note {{deduced conflicting values for parameter 'A' (<1, 2, 3> vs. <4, 5, 6>)}}
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15 integer_sequence<T, A...> b);
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16
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17 int v = integer_sequence<int, 1, 2, 3>{} ^ integer_sequence<int, 4, 5, 6>{}; // expected-error {{invalid operands}}
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18
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19 template <typename T, T... A, T... B>
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20 integer_sequence<T, A + B...> operator+(integer_sequence<T, A...> a,
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21 integer_sequence<T, B...> b);
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22 integer_sequence<int, 5, 7, 9> w =
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23 integer_sequence<int, 1, 2, 3>{} + integer_sequence<int, 4, 5, 6>{};
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24 }
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