llvm-project/clang/test/SemaCXX/dcl_ambig_res.cpp

77 lines
1.6 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
// [dcl.ambig.res]p1:
struct S {
S(int);
void bar();
};
int returns_an_int();
void foo(double a)
{
S w(int(a)); // expected-warning{{disambiguated}}
w(17);
S x1(int()); // expected-warning{{disambiguated}}
x1(&returns_an_int);
S y((int)a);
y.bar();
S z = int(a);
z.bar();
}
// [dcl.ambig.res]p3:
char *p;
void *operator new(__SIZE_TYPE__, int);
void foo3() {
const int x = 63;
new (int(*p)) int; //new-placement expression
new (int(*[x])); //new type-id
}
// [dcl.ambig.res]p4:
template <class T> // expected-note{{here}}
struct S4 {
T *p;
};
S4<int()> x; //type-id
S4<int(1)> y; // expected-error{{must be a type}}
// [dcl.ambig.res]p5:
void foo5()
{
(void)sizeof(int(1)); //expression
// FIXME: should we make this an error rather than a warning?
// (It affects SFINAE)
(void)sizeof(int()); // expected-warning{{function type}}
}
// [dcl.ambig.res]p6:
void foo6()
{
(void)(int(1)); //expression
(void)(int())1; // expected-error{{to 'int ()'}}
}
// [dcl.ambig.res]p7:
class C7 { };
void f7(int(C7)) { } // expected-note{{candidate}}
int g7(C7);
void foo7() {
f7(1); // expected-error{{no matching function}}
f7(g7); //OK
}
void h7(int *(C7[10])) { } // expected-note{{previous}}
void h7(int *(*_fp)(C7 _parm[10])) { } // expected-error{{redefinition}}
struct S5 {
static bool const value = false;
};
int foo8() {
int v(int(S5::value)); // expected-warning{{disambiguated}} expected-error{{parameter declarator cannot be qualified}}
}
template<typename T>
void rdar8739801( void (T::*)( void ) __attribute__((unused)) );