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