78 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s2 3// PR138194// REQUIRES: LP645 6// [dcl.ambig.res]p1:7struct S { 8 S(int); 9 void bar();10}; 11 12int returns_an_int();13 14void foo(double a) 15{ 16 S w(int(a)); // expected-warning{{disambiguated as a function declaration}} expected-note{{add a pair of parentheses}} 17 w(17);18 S x1(int()); // expected-warning{{disambiguated as a function declaration}} expected-note{{add a pair of parentheses}} 19 x1(&returns_an_int);20 S y((int)a); 21 y.bar();22 S z = int(a);23 z.bar();24} 25 26// [dcl.ambig.res]p3:27char *p; 28void *operator new(__SIZE_TYPE__, int); 29void foo3() { 30 const int x = 63; 31 new (int(*p)) int; //new-placement expression 32 new (int(*[x])); //new type-id 33} 34 35// [dcl.ambig.res]p4:36template <class T> // expected-note{{here}}37struct S4 { 38 T *p; 39}; 40S4<int()> x; //type-id 41S4<int(1)> y; // expected-error{{must be a type}}42 43// [dcl.ambig.res]p5:44void foo5() 45{ 46 (void)sizeof(int(1)); //expression 47 (void)sizeof(int()); // expected-error{{function type}}48}49 50// [dcl.ambig.res]p6:51void foo6() 52{ 53 (void)(int(1)); //expression 54 (void)(int())1; // expected-error{{to 'int ()'}}55} 56 57// [dcl.ambig.res]p7:58class C7 { }; 59void f7(int(C7)) { } // expected-note{{candidate}}60int g7(C7); 61void foo7() { 62 f7(1); // expected-error{{no matching function}}63 f7(g7); //OK 64} 65 66void h7(int *(C7[10])) { } // expected-note{{previous}}67void h7(int *(*_fp)(C7 _parm[10])) { } // expected-error{{redefinition}}68 69struct S5 {70 static bool const value = false;71};72int foo8() {73 int v(int(S5::value)); // expected-warning{{disambiguated as a function declaration}} expected-note{{add a pair of parentheses}} expected-error{{parameter declarator cannot be qualified}}74}75 76template<typename T>77void rdar8739801( void (T::*)( void ) __attribute__((unused)) );78