| 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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| 51 | |
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