1 // PR 34758 Bad diagnostic for circular dependency in constructor default argument 2 // { dg-do compile } 3 // { dg-options "" } 4 struct A 5 { 6 A (const A& = A()); // { dg-error "recursive evaluation of default argument" } 7 }; 8 9 10 struct S { 11 S(const S& = f()); // { dg-error "default argument\[^\n\]*which is not yet defined" } 12 static const S& f(int i = 3); 13 }; 14 15 struct J { 16 J(const J& = f(2)); // { dg-error "default argument.*which is not yet defined" } 17 static const J& f(int i = 3, int j = 4); 18 }; 19 20 struct Z { 21 Z(const Z& = f(4)); 22 static const Z& f(int i = 3); 23 }; 24 25 struct X { 26 X(const X& = g()); 27 static const X& g(void); 28 }; 29