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 
foo(double a)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);
foo3()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:
foo5()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:
foo6()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 { };
f7(int (C7))59 void f7(int(C7)) { } // expected-note{{candidate}}
60 int g7(C7);
foo7()61 void foo7() {
62   f7(1); // expected-error{{no matching function}}
63   f7(g7); //OK
64 }
65 
h7(int * (C7[10]))66 void h7(int *(C7[10])) { } // expected-note{{previous}}
h7(int * (* _fp)(C7 _parm[10]))67 void h7(int *(*_fp)(C7 _parm[10])) { } // expected-error{{redefinition}}
68 
69 struct S5 {
70   static bool const value = false;
71 };
foo8()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