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1 // RUN: %clang_cc1 %s -emit-llvm -triple %itanium_abi_triple -o - | FileCheck %s
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2 // RUN: %clang_cc1 %s -DREDEFINE -verify
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3 // PR8007: friend function not instantiated.
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4
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5 // CHECK: define linkonce_odr{{.*}}_ZlsR11std_ostreamRK8StreamerI3FooE
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6
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7 struct std_ostream
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8 {
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9 int dummy;
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10 };
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11
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12 std_ostream cout;
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13
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14 template <typename STRUCT_TYPE>
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15 struct Streamer
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16 {
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17 friend std_ostream& operator << (std_ostream& o, const Streamer& f) // expected-error{{redefinition of 'operator<<'}}
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18 {
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19 Streamer s(f);
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20 s(o);
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21 return o;
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22 }
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23
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24 Streamer(const STRUCT_TYPE& s) : s(s) {}
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25
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26 const STRUCT_TYPE& s;
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27 void operator () (std_ostream&) const;
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28 };
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29
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30 typedef struct Foo {} Foo;
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31
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32 inline std_ostream& operator << (std_ostream&, const Streamer<Foo>&);
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33 #ifdef REDEFINE
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34 std_ostream& operator << (std_ostream& o, const Streamer<Foo>&) // expected-note{{is here}}
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35 {
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36 // Sema should flag this as a redefinition
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37 return o;
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38 }
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39 #endif
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40
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41 template <>
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42 void Streamer<Foo>::operator () (std_ostream& o) const // expected-note{{requested here}}
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43 {
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44 }
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45
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46 int main(void)
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47 {
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48 Foo foo;
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49 cout << foo;
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50 }
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