// PR c++/48089 // { dg-options -std=c++0x } // bang is ill-formed (diagnostic required) because its initializer is // non-constant, because it uses the value of an uninitialized object. // s() is ill-formed (no diagnostic required) because there is no set of // arguments that would produce a constant expression. // R() is well-formed because i is initialized before j. struct s { constexpr s() : v(v) { } // { dg-message "" } int v; }; constexpr s bang; // { dg-message "" } struct R { int i,j; constexpr R() : i(42),j(i) { } // { dg-bogus "" "" { xfail *-*-* } } }; constexpr R r; // { dg-bogus "" "" { xfail *-*-* } } // Ill-formed (no diagnostic required) struct T { int i; constexpr int f() { return i; } constexpr T(): i(0) { } constexpr T(const T& t) : i(f()) { } // { dg-message "" } }; constexpr T t1; // Ill-formed (diagnostic required) constexpr T t2(t1); // { dg-message "" } // Well-formed struct U { int i, j; constexpr int f(int _i) { return _i; } constexpr int g() { return i; } constexpr U(): i(0), j(0) { } constexpr U(const U& t) : i(f(t.i)),j(0) { } // { dg-bogus "" "" { xfail *-*-* } } constexpr U(int _i) : i(_i),j(g()) { } // { dg-bogus "" "" { xfail *-*-* } } }; constexpr U u1; constexpr U u2(u1); // { dg-bogus "" "" { xfail *-*-* } } constexpr U u3(1); // { dg-bogus "" "" { xfail *-*-* } }