73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// RUN: %clang %s -std=c++98 -S -emit-llvm -o - | grep -e "define linkonce_odr.*_ZlsR11std_ostreamRK8StreamerI3FooE"
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// RUN: %clang %s -std=c++98 -S -emit-llvm -o - -DPROTOTYPE | grep -e "define linkonce_odr.*_ZlsR11std_ostreamRK8StreamerI3FooE"
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// RUN: %clang %s -std=c++98 -S -emit-llvm -o - -DINSTANTIATE | grep -e "define linkonce_odr.*_ZlsR11std_ostreamRK8StreamerI3FooE"
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// RUN: %clang %s -std=c++98 -S -emit-llvm -o - -DPROTOTYPE -DINSTANTIATE | grep -e "define linkonce_odr.*_ZlsR11std_ostreamRK8StreamerI3FooE"
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// RUN: %clang_cc1 %s -DREDEFINE -verify
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// RUN: %clang_cc1 %s -DPROTOTYPE -DREDEFINE -verify
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// PR8007: friend function not instantiated, reordered version.
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// Corresponds to http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38392
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struct std_ostream
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{
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int dummy;
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};
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std_ostream cout;
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template <typename STRUCT_TYPE>
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struct Streamer;
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typedef struct Foo {} Foo;
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std_ostream& operator << (std_ostream&, const Streamer<Foo>&);
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void test(const Streamer<Foo>& foo)
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{
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cout << foo;
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}
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template <typename STRUCT_TYPE>
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struct Streamer
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{
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friend std_ostream& operator << (std_ostream& o, const Streamer& f) // expected-error{{redefinition of 'operator<<'}}
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{
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Streamer s(f);
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s(o);
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return o;
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}
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Streamer(const STRUCT_TYPE& s) : s(s) {}
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const STRUCT_TYPE& s;
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void operator () (std_ostream&) const;
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};
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#ifdef PROTOTYPE
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std_ostream& operator << (std_ostream&, const Streamer<Foo>&);
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#endif
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#ifdef INSTANTIATE
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template struct Streamer<Foo>;
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#endif
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#ifdef REDEFINE
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std_ostream& operator << (std_ostream& o, const Streamer<Foo>&) // expected-note{{is here}}
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{
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return o;
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}
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#endif
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#ifndef INSTANTIATE
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template <>
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void Streamer<Foo>::operator () (std_ostream& o) const // expected-note{{requested here}}
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{
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}
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#endif
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int main(void)
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{
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Foo foo;
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test(foo);
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}
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