1 // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s 2 3 struct ValueInt 4 { 5 ValueInt(int v = 0) : ValueLength(v) {} 6 operator int () const { return ValueLength; } // expected-note 3{{conversion to integral type 'int' declared here}} 7 private: 8 int ValueLength; 9 }; 10 11 enum E { e }; 12 struct ValueEnum { 13 operator E() const; // expected-note{{conversion to enumeration type 'E' declared here}} 14 }; 15 16 struct ValueBoth : ValueInt, ValueEnum { }; 17 18 struct IndirectValueInt : ValueInt { }; 19 struct TwoValueInts : ValueInt, IndirectValueInt { }; 20 21 void test() { 22 (void)new int[ValueInt(10)]; // expected-warning{{implicit conversion from array size expression of type 'ValueInt' to integral type 'int' is a C++11 extension}} 23 (void)new int[ValueEnum()]; // expected-warning{{implicit conversion from array size expression of type 'ValueEnum' to enumeration type 'E' is a C++11 extension}} 24 (void)new int[ValueBoth()]; // expected-error{{ambiguous conversion of array size expression of type 'ValueBoth' to an integral or enumeration type}} 25 26 (void)new int[TwoValueInts()]; // expected-error{{ambiguous conversion of array size expression of type 'TwoValueInts' to an integral or enumeration type}} 27 } 28