409 lines
9.8 KiB
C++
409 lines
9.8 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
|
|
int* f(int) { return 0; }
|
|
float* f(float) { return 0; }
|
|
void f();
|
|
|
|
void test_f(int iv, float fv) {
|
|
float* fp = f(fv);
|
|
int* ip = f(iv);
|
|
}
|
|
|
|
int* g(int, float, int); // expected-note {{ candidate function }}
|
|
float* g(int, int, int); // expected-note {{ candidate function }}
|
|
double* g(int, float, float); // expected-note {{ candidate function }}
|
|
char* g(int, float, ...); // expected-note {{ candidate function }}
|
|
void g();
|
|
|
|
void test_g(int iv, float fv) {
|
|
int* ip1 = g(iv, fv, 0);
|
|
float* fp1 = g(iv, iv, 0);
|
|
double* dp1 = g(iv, fv, fv);
|
|
char* cp1 = g(0, 0);
|
|
char* cp2 = g(0, 0, 0, iv, fv);
|
|
|
|
double* dp2 = g(0, fv, 1.5); // expected-error {{ call to 'g' is ambiguous; candidates are: }}
|
|
}
|
|
|
|
double* h(double f);
|
|
int* h(int);
|
|
|
|
void test_h(float fv, unsigned char cv) {
|
|
double* dp = h(fv);
|
|
int* ip = h(cv);
|
|
}
|
|
|
|
int* i(int);
|
|
double* i(long);
|
|
|
|
void test_i(short sv, int iv, long lv, unsigned char ucv) {
|
|
int* ip1 = i(sv);
|
|
int* ip2 = i(iv);
|
|
int* ip3 = i(ucv);
|
|
double* dp1 = i(lv);
|
|
}
|
|
|
|
int* j(void*);
|
|
double* j(bool);
|
|
|
|
void test_j(int* ip) {
|
|
int* ip1 = j(ip);
|
|
}
|
|
|
|
int* k(char*);
|
|
double* k(bool);
|
|
|
|
void test_k() {
|
|
int* ip1 = k("foo"); // expected-warning{{conversion from string literal to 'char *' is deprecated}}
|
|
double* dp1 = k(L"foo");
|
|
}
|
|
|
|
int* l(wchar_t*);
|
|
double* l(bool);
|
|
|
|
void test_l() {
|
|
int* ip1 = l(L"foo"); // expected-warning{{conversion from string literal to 'wchar_t *' is deprecated}}
|
|
double* dp1 = l("foo");
|
|
}
|
|
|
|
int* m(const char*);
|
|
double* m(char*);
|
|
|
|
void test_m() {
|
|
int* ip = m("foo");
|
|
}
|
|
|
|
int* n(char*);
|
|
double* n(void*);
|
|
class E;
|
|
|
|
void test_n(E* e) {
|
|
char ca[7];
|
|
int* ip1 = n(ca);
|
|
int* ip2 = n("foo"); // expected-warning{{conversion from string literal to 'char *' is deprecated}}
|
|
|
|
float fa[7];
|
|
double* dp1 = n(fa);
|
|
|
|
double* dp2 = n(e);
|
|
}
|
|
|
|
enum PromotesToInt {
|
|
PromotesToIntValue = -1
|
|
};
|
|
|
|
enum PromotesToUnsignedInt {
|
|
PromotesToUnsignedIntValue = __INT_MAX__ * 2U
|
|
};
|
|
|
|
int* o(int);
|
|
double* o(unsigned int);
|
|
float* o(long);
|
|
|
|
void test_o() {
|
|
int* ip1 = o(PromotesToIntValue);
|
|
double* dp1 = o(PromotesToUnsignedIntValue);
|
|
}
|
|
|
|
int* p(int);
|
|
double* p(double);
|
|
|
|
void test_p() {
|
|
int* ip = p((short)1);
|
|
double* dp = p(1.0f);
|
|
}
|
|
|
|
struct Bits {
|
|
signed short int_bitfield : 5;
|
|
unsigned int uint_bitfield : 8;
|
|
};
|
|
|
|
int* bitfields(int, int);
|
|
float* bitfields(unsigned int, int);
|
|
|
|
void test_bitfield(Bits bits, int x) {
|
|
int* ip = bitfields(bits.int_bitfield, 0);
|
|
float* fp = bitfields(bits.uint_bitfield, 0u);
|
|
}
|
|
|
|
int* multiparm(long, int, long); // expected-note {{ candidate function }}
|
|
float* multiparm(int, int, int); // expected-note {{ candidate function }}
|
|
double* multiparm(int, int, short); // expected-note {{ candidate function }}
|
|
|
|
void test_multiparm(long lv, short sv, int iv) {
|
|
int* ip1 = multiparm(lv, iv, lv);
|
|
int* ip2 = multiparm(lv, sv, lv);
|
|
float* fp1 = multiparm(iv, iv, iv);
|
|
float* fp2 = multiparm(sv, iv, iv);
|
|
double* dp1 = multiparm(sv, sv, sv);
|
|
double* dp2 = multiparm(iv, sv, sv);
|
|
multiparm(sv, sv, lv); // expected-error {{ call to 'multiparm' is ambiguous; candidates are: }}
|
|
}
|
|
|
|
// Test overloading based on qualification vs. no qualification
|
|
// conversion.
|
|
int* quals1(int const * p);
|
|
char* quals1(int * p);
|
|
|
|
int* quals2(int const * const * pp);
|
|
char* quals2(int * * pp);
|
|
|
|
int* quals3(int const * * const * ppp);
|
|
char* quals3(int *** ppp);
|
|
|
|
void test_quals(int * p, int * * pp, int * * * ppp) {
|
|
char* q1 = quals1(p);
|
|
char* q2 = quals2(pp);
|
|
char* q3 = quals3(ppp);
|
|
}
|
|
|
|
// Test overloading based on qualification ranking (C++ 13.3.2)p3.
|
|
int* quals_rank1(int const * p);
|
|
float* quals_rank1(int const volatile *p);
|
|
char* quals_rank1(char*);
|
|
double* quals_rank1(const char*);
|
|
|
|
int* quals_rank2(int const * const * pp);
|
|
float* quals_rank2(int * const * pp);
|
|
|
|
void quals_rank3(int const * const * const volatile * p); // expected-note{{candidate function}}
|
|
void quals_rank3(int const * const volatile * const * p); // expected-note{{candidate function}}
|
|
|
|
void quals_rank3(int const *); // expected-note{{candidate function}}
|
|
void quals_rank3(int volatile *); // expected-note{{candidate function}}
|
|
|
|
void test_quals_ranking(int * p, int volatile *pq, int * * pp, int * * * ppp) {
|
|
int* q1 = quals_rank1(p);
|
|
float* q2 = quals_rank1(pq);
|
|
double* q3 = quals_rank1("string literal");
|
|
char a[17];
|
|
const char* ap = a;
|
|
char* q4 = quals_rank1(a);
|
|
double* q5 = quals_rank1(ap);
|
|
|
|
float* q6 = quals_rank2(pp);
|
|
|
|
quals_rank3(ppp); // expected-error {{call to 'quals_rank3' is ambiguous; candidates are:}}
|
|
|
|
quals_rank3(p); // expected-error {{call to 'quals_rank3' is ambiguous; candidates are:}}
|
|
quals_rank3(pq);
|
|
}
|
|
|
|
// Test overloading based on derived-to-base conversions
|
|
class A { };
|
|
class B : public A { };
|
|
class C : public B { };
|
|
class D : public C { };
|
|
|
|
int* derived1(A*);
|
|
char* derived1(const A*);
|
|
float* derived1(void*);
|
|
|
|
int* derived2(A*);
|
|
float* derived2(B*);
|
|
|
|
int* derived3(A*);
|
|
float* derived3(const B*);
|
|
char* derived3(C*);
|
|
|
|
void test_derived(B* b, B const* bc, C* c, const C* cc, void* v, D* d) {
|
|
int* d1 = derived1(b);
|
|
char* d2 = derived1(bc);
|
|
int* d3 = derived1(c);
|
|
char* d4 = derived1(cc);
|
|
float* d5 = derived1(v);
|
|
|
|
float* d6 = derived2(b);
|
|
float* d7 = derived2(c);
|
|
|
|
char* d8 = derived3(d);
|
|
}
|
|
|
|
// Test overloading of references.
|
|
// (FIXME: tests binding to determine candidate sets, not overload
|
|
// resolution per se).
|
|
int* intref(int&);
|
|
float* intref(const int&);
|
|
|
|
void intref_test() {
|
|
float* ir1 = intref(5);
|
|
float* ir2 = intref(5.5);
|
|
}
|
|
|
|
// Test reference binding vs. standard conversions.
|
|
int& bind_vs_conv(const double&);
|
|
float& bind_vs_conv(int);
|
|
|
|
void bind_vs_conv_test()
|
|
{
|
|
int& i1 = bind_vs_conv(1.0f);
|
|
float& f1 = bind_vs_conv((short)1);
|
|
}
|
|
|
|
// Test that cv-qualifiers get subsumed in the reference binding.
|
|
struct X { };
|
|
struct Y { };
|
|
struct Z : X, Y { };
|
|
|
|
int& cvqual_subsume(X&); // expected-note{{candidate function}}
|
|
float& cvqual_subsume(const Y&); // expected-note{{candidate function}}
|
|
|
|
int& cvqual_subsume2(const X&);
|
|
float& cvqual_subsume2(const volatile Y&);
|
|
|
|
Z get_Z();
|
|
|
|
void cvqual_subsume_test(Z z) {
|
|
cvqual_subsume(z); // expected-error{{call to 'cvqual_subsume' is ambiguous; candidates are:}}
|
|
int& x = cvqual_subsume2(get_Z()); // okay: only binds to the first one
|
|
}
|
|
|
|
// Test overloading with cv-qualification differences in reference
|
|
// binding.
|
|
int& cvqual_diff(X&);
|
|
float& cvqual_diff(const X&);
|
|
|
|
void cvqual_diff_test(X x, Z z) {
|
|
int& i1 = cvqual_diff(x);
|
|
int& i2 = cvqual_diff(z);
|
|
}
|
|
|
|
// Test overloading with derived-to-base differences in reference
|
|
// binding.
|
|
struct Z2 : Z { };
|
|
|
|
int& db_rebind(X&);
|
|
long& db_rebind(Y&);
|
|
float& db_rebind(Z&);
|
|
|
|
void db_rebind_test(Z2 z2) {
|
|
float& f1 = db_rebind(z2);
|
|
}
|
|
|
|
class string { };
|
|
class opt : public string { };
|
|
|
|
struct SR {
|
|
SR(const string&);
|
|
};
|
|
|
|
void f(SR) { }
|
|
|
|
void g(opt o) {
|
|
f(o);
|
|
}
|
|
|
|
|
|
namespace PR5756 {
|
|
int &a(void*, int);
|
|
float &a(void*, float);
|
|
void b() {
|
|
int &ir = a(0,0);
|
|
(void)ir;
|
|
}
|
|
}
|
|
|
|
// Tests the exact text used to note the candidates
|
|
namespace test1 {
|
|
template <class T> void foo(T t, unsigned N); // expected-note {{candidate function [with T = int] not viable: no known conversion from 'char const [6]' to 'unsigned int' for 2nd argument}}
|
|
void foo(int n, char N); // expected-note {{candidate function not viable: no known conversion from 'char const [6]' to 'char' for 2nd argument}}
|
|
void foo(int n); // expected-note {{candidate function not viable: requires 1 argument, but 2 were provided}}
|
|
void foo(unsigned n = 10); // expected-note {{candidate function not viable: requires at most 1 argument, but 2 were provided}}
|
|
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 test() {
|
|
foo(4, "hello"); //expected-error {{no matching function for call to 'foo'}}
|
|
}
|
|
}
|
|
|
|
// PR 6014
|
|
namespace test2 {
|
|
struct QFixed {
|
|
QFixed(int i);
|
|
QFixed(long i);
|
|
};
|
|
|
|
bool operator==(const QFixed &f, int i);
|
|
|
|
class qrgb666 {
|
|
inline operator unsigned int () const;
|
|
|
|
inline bool operator==(const qrgb666 &v) const;
|
|
inline bool operator!=(const qrgb666 &v) const { return !(*this == v); }
|
|
};
|
|
}
|
|
|
|
// PR 6117
|
|
namespace test3 {
|
|
struct Base {};
|
|
struct Incomplete;
|
|
|
|
void foo(Base *); // expected-note 2 {{cannot convert argument of incomplete type}}
|
|
void foo(Base &); // expected-note 2 {{cannot convert argument of incomplete type}}
|
|
|
|
void test(Incomplete *P) {
|
|
foo(P); // expected-error {{no matching function for call to 'foo'}}
|
|
foo(*P); // expected-error {{no matching function for call to 'foo'}}
|
|
}
|
|
}
|
|
|
|
namespace DerivedToBaseVsVoid {
|
|
struct A { };
|
|
struct B : A { };
|
|
|
|
float &f(void *);
|
|
int &f(const A*);
|
|
|
|
void g(B *b) {
|
|
int &ir = f(b);
|
|
}
|
|
}
|
|
|
|
// PR 6398 + PR 6421
|
|
namespace test4 {
|
|
class A;
|
|
class B {
|
|
static void foo(); // expected-note {{not viable}}
|
|
static void foo(int*); // expected-note {{not viable}}
|
|
static void foo(long*); // expected-note {{not viable}}
|
|
|
|
void bar(A *a) {
|
|
foo(a); // expected-error {{no matching function for call}}
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace DerivedToBase {
|
|
struct A { };
|
|
struct B : A { };
|
|
struct C : B { };
|
|
|
|
int &f0(const A&);
|
|
float &f0(B);
|
|
|
|
void g() {
|
|
float &fr = f0(C());
|
|
}
|
|
}
|
|
|
|
namespace PR6483 {
|
|
struct X0 {
|
|
operator const unsigned int & () const;
|
|
};
|
|
|
|
struct X1 {
|
|
operator unsigned int & () const;
|
|
};
|
|
|
|
void f0(const bool &);
|
|
void f1(bool &); // expected-note 2{{not viable}}
|
|
|
|
void g(X0 x0, X1 x1) {
|
|
f0(x0);
|
|
f1(x0); // expected-error{{no matching function for call}}
|
|
f0(x1);
|
|
f1(x1); // expected-error{{no matching function for call}}
|
|
}
|
|
}
|