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// CWG2596
// { dg-do compile { target c++20 } }
// { dg-additional-options -fno-implicit-constexpr }
struct Base {};
template<int N>
struct S : Base {
friend int foo(Base&) requires (N == 1) { return 1; } // #1
friend int foo(Base&) requires (N == 2) { return 3; } // #2
template <class T>
friend int bar(Base&) requires (N == 1) { return 1; }
template <class T>
friend int bar(Base&) requires (N == 2) { return 3; }
};
S<1> s1;
S<2> s2; // OK, no conflict between #1 and #2
// { dg-final { scan-assembler "_ZN1SILi1EEF3fooER4Base" } }
int x = foo(s1); // OK, selects #1
// { dg-final { scan-assembler "_ZN1SILi2EEF3fooER4Base" } }
int y = foo(s2); // OK, selects #2
// { dg-final { scan-assembler "_ZN1SILi1EEF3barIiEEiR4Base" } }
int x2 = bar<int>(s1); // OK, selects #1
// { dg-final { scan-assembler "_ZN1SILi2EEF3barIiEEiR4Base" } }
int y2 = bar<int>(s2); // OK, selects #2
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