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| // RUN: %clang_cc1 -fsyntax-only -verify %s
struct X {
int& f(int) const; // expected-note 2 {{candidate function}}
float& f(int); // expected-note 2 {{candidate function}}
void test_f(int x) const {
int& i = f(x);
}
void test_f2(int x) {
float& f2 = f(x);
}
int& g(int) const; // expected-note 2 {{candidate function}}
float& g(int); // expected-note 2 {{candidate function}}
static double& g(double);
void h(int);
void test_member() {
float& f1 = f(0);
float& f2 = g(0);
double& d1 = g(0.0);
}
void test_member_const() const {
int &i1 = f(0);
int &i2 = g(0);
double& d1 = g(0.0);
}
static void test_member_static() {
double& d1 = g(0.0);
g(0); // expected-error{{call to 'g' is ambiguous}}
}
};
void test(X x, const X xc, X* xp, const X* xcp, volatile X xv, volatile X* xvp) {
int& i1 = xc.f(0);
int& i2 = xcp->f(0);
float& f1 = x.f(0);
float& f2 = xp->f(0);
xv.f(0); // expected-error{{no matching member function for call to 'f'}}
xvp->f(0); // expected-error{{no matching member function for call to 'f'}}
int& i3 = xc.g(0);
int& i4 = xcp->g(0);
float& f3 = x.g(0);
float& f4 = xp->g(0);
double& d1 = xp->g(0.0);
double& d2 = X::g(0.0);
X::g(0); // expected-error{{call to 'g' is ambiguous}}
X::h(0); // expected-error{{call to non-static member function without an object argument}}
}
struct X1 {
int& member();
float& member() const;
};
struct X2 : X1 { };
void test_X2(X2 *x2p, const X2 *cx2p) {
int &ir = x2p->member();
float &fr = cx2p->member();
}
// Tests the exact text used to note the candidates
namespace test1 {
class A {
template <class T>
void foo(T t, unsigned N); // expected-note {{candidate function template not viable: no known conversion from 'const char [6]' to 'unsigned int' for 2nd argument}}
void foo(int n, char N); // expected-note {{candidate function not viable: no known conversion from 'const char [6]' to 'char' for 2nd argument}}
void foo(int n, const char *s, int t); // expected-note {{candidate function not viable: requires 3 arguments, but 2 were provided}}
void foo(int n, const char *s, int t, ...); // expected-note {{candidate function not viable: requires at least 3 arguments, but 2 were provided}}
void foo(int n, const char *s, int t, int u = 0); // expected-note {{candidate function not viable: requires at least 3 arguments, but 2 were provided}}
void bar(double d); //expected-note {{candidate function not viable: 'this' argument has type 'const test1::A', but method is not marked const}}
void bar(int i); //expected-note {{candidate function not viable: 'this' argument has type 'const test1::A', but method is not marked const}}
void baz(A &d); // expected-note {{candidate function not viable: 1st argument ('const test1::A') would lose const qualifier}}
void baz(int i); // expected-note {{candidate function not viable: no known conversion from 'const test1::A' to 'int' for 1st argument}}
// PR 11857
void foo(int n); // expected-note {{candidate function not viable: requires single argument 'n', but 2 arguments were provided}}
void foo(unsigned n = 10); // expected-note {{candidate function not viable: allows at most single argument 'n', but 2 arguments were provided}}
void rab(double n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}}
void rab(int n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}}
void zab(double n = 0.0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}}
void zab(int n = 0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}}
};
void test() {
A a;
a.foo(4, "hello"); //expected-error {{no matching member function for call to 'foo'}}
const A b = A();
b.bar(0); //expected-error {{no matching member function for call to 'bar'}}
a.baz(b); //expected-error {{no matching member function for call to 'baz'}}
a.rab(); //expected-error {{no matching member function for call to 'rab'}}
a.zab(3, 4, 5); //expected-error {{no matching member function for call to 'zab'}}
}
}
namespace b7398190 {
struct S {
int f(); // expected-note {{'this' argument has type 'const b7398190::S', but method is not marked const}}
void f(int); // expected-note {{requires 1 argument, but 0 were provided}}
};
const S *p;
int k = p->f(); // expected-error {{no matching member function for call to 'f'}}
}
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