1 // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s 2 3 // PR13819 4 // REQUIRES: LP64 5 6 // [dcl.ambig.res]p1: 7 struct S { 8 S(int); 9 void bar(); 10 }; 11 12 int returns_an_int(); 13 14 void 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: 27 char *p; 28 void *operator new(__SIZE_TYPE__, int); 29 void 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: 36 template <class T> // expected-note{{here}} 37 struct S4 { 38 T *p; 39 }; 40 S4<int()> x; //type-id 41 S4<int(1)> y; // expected-error{{must be a type}} 42 43 // [dcl.ambig.res]p5: 44 void foo5() 45 { 46 (void)sizeof(int(1)); //expression 47 (void)sizeof(int()); // expected-error{{function type}} 48 } 49 50 // [dcl.ambig.res]p6: 51 void foo6() 52 { 53 (void)(int(1)); //expression 54 (void)(int())1; // expected-error{{to 'int ()'}} 55 } 56 57 // [dcl.ambig.res]p7: 58 class C7 { }; 59 void f7(int(C7)) { } // expected-note{{candidate}} 60 int g7(C7); 61 void foo7() { 62 f7(1); // expected-error{{no matching function}} 63 f7(g7); //OK 64 } 65 66 void h7(int *(C7[10])) { } // expected-note{{previous}} 67 void h7(int *(*_fp)(C7 _parm[10])) { } // expected-error{{redefinition}} 68 69 struct S5 { 70 static bool const value = false; 71 }; 72 int 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 76 template<typename T> 77 void rdar8739801( void (T::*)( void ) __attribute__((unused)) ); 78