1 // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s 2 // RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=c++98 %s 3 // RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=c++11 %s 4 5 struct ValueInt 6 { 7 ValueInt(int v = 0) : ValueLength(v) {} 8 operator int () const { return ValueLength; } // expected-note 3{{conversion to integral type 'int' declared here}} 9 private: 10 int ValueLength; 11 }; 12 13 enum E { e }; 14 struct ValueEnum { 15 operator E() const; // expected-note{{conversion to enumeration type 'E' declared here}} 16 }; 17 18 struct ValueBoth : ValueInt, ValueEnum { }; 19 20 struct IndirectValueInt : ValueInt { }; 21 struct TwoValueInts : ValueInt, IndirectValueInt { }; // expected-warning{{direct base 'ValueInt' is inaccessible due to ambiguity:\n struct TwoValueInts -> struct ValueInt\n struct TwoValueInts -> struct IndirectValueInt -> struct ValueInt}} 22 23 24 void test() { 25 (void)new int[ValueInt(10)]; 26 #if __cplusplus <= 199711L // C++03 or earlier modes 27 // expected-warning@-2{{implicit conversion from array size expression of type 'ValueInt' to integral type 'int' is a C++11 extension}} 28 #endif 29 30 (void)new int[ValueEnum()]; 31 #if __cplusplus <= 199711L 32 // expected-warning@-2{{implicit conversion from array size expression of type 'ValueEnum' to enumeration type 'E' is a C++11 extension}} 33 #endif 34 (void)new int[ValueBoth()]; // expected-error{{ambiguous conversion of array size expression of type 'ValueBoth' to an integral or enumeration type}} 35 36 (void)new int[TwoValueInts()]; // expected-error{{ambiguous conversion of array size expression of type 'TwoValueInts' to an integral or enumeration type}} 37 } 38
