forked from OSchip/llvm-project
559 lines
17 KiB
C++
559 lines
17 KiB
C++
// RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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// RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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// RUN: %clang_cc1 -std=c++1y %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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namespace dr100 { // dr100: yes
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template<const char *> struct A {}; // expected-note {{declared here}}
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template<const char (&)[4]> struct B {}; // expected-note {{declared here}}
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A<"foo"> a; // expected-error {{does not refer to any declaration}}
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B<"bar"> b; // expected-error {{does not refer to any declaration}}
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}
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namespace dr101 { // dr101: yes
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extern "C" void dr101_f();
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typedef unsigned size_t;
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namespace X {
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extern "C" void dr101_f();
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typedef unsigned size_t;
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}
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using X::dr101_f;
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using X::size_t;
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}
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namespace dr102 { // dr102: yes
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namespace A {
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template<typename T> T f(T a, T b) { return a + b; } // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
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}
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namespace B {
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struct S {};
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}
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B::S operator+(B::S, B::S); // expected-note {{should be declared prior to the call site or in namespace 'dr102::B'}}
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template B::S A::f(B::S, B::S); // expected-note {{in instantiation of}}
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}
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// dr103: na
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// dr104 FIXME: add codegen test
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// dr105: na
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namespace dr106 { // dr106: sup 540
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typedef int &r1;
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typedef r1 &r1;
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typedef const r1 r1;
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typedef const r1 &r1;
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typedef const int &r2;
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typedef r2 &r2;
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typedef const r2 r2;
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typedef const r2 &r2;
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}
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namespace dr107 { // dr107: yes
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struct S {};
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extern "C" S operator+(S, S) { return S(); }
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}
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namespace dr108 { // dr108: yes
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template<typename T> struct A {
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struct B { typedef int X; };
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B::X x; // expected-error {{missing 'typename'}}
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struct C : B { X x; }; // expected-error {{unknown type name}}
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};
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template<> struct A<int>::B { int X; };
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}
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namespace dr109 { // dr109: yes
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struct A { template<typename T> void f(T); };
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template<typename T> struct B : T {
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using T::template f; // expected-error {{using declaration can not refer to a template}}
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void g() { this->f<int>(123); } // expected-error {{use 'template'}}
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};
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}
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namespace dr111 { // dr111: dup 535
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struct A { A(); A(volatile A&, int = 0); A(A&, const char * = "foo"); };
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struct B : A { B(); }; // expected-note {{would lose const qualifier}} expected-note {{requires 0 arguments}}
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const B b1;
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B b2(b1); // expected-error {{no matching constructor}}
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}
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namespace dr112 { // dr112: yes
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struct T { int n; };
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typedef T Arr[1];
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const T a1[1] = {};
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volatile T a2[1] = {};
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const Arr a3 = {};
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volatile Arr a4 = {};
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template<const volatile T*> struct X {};
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X<a1> x1;
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X<a2> x2;
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X<a3> x3;
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X<a4> x4;
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#if __cplusplus < 201103L
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// expected-error@-5 {{internal linkage}} expected-note@-10 {{here}}
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// expected-error@-4 {{internal linkage}} expected-note@-9 {{here}}
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#else
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// FIXME: Test this somehow.
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#endif
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}
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namespace dr113 { // dr113: yes
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extern void (*p)();
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void f() {
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no_such_function(); // expected-error {{undeclared}}
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p();
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}
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void g();
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void (*p)() = &g;
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}
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namespace dr114 { // dr114: yes
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struct A {
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virtual void f(int) = 0; // expected-note {{unimplemented}}
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};
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struct B : A {
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template<typename T> void f(T);
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void g() { f(0); }
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} b; // expected-error {{abstract}}
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}
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namespace dr115 { // dr115: yes
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template<typename T> int f(T); // expected-note +{{}}
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template<typename T> int g(T); // expected-note +{{}}
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template<typename T> int g(T, int); // expected-note +{{}}
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int k1 = f(&f); // expected-error {{no match}}
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int k2 = f(&f<int>);
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int k3 = f(&g<int>); // expected-error {{no match}}
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void h() {
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(void)&f; // expected-error {{address of overloaded function 'f' cannot be cast to type 'void'}}
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(void)&f<int>;
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(void)&g<int>; // expected-error {{address of overloaded function 'g' cannot be cast to type 'void'}}
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&f; // expected-error {{reference to overloaded function could not be resolved}}
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&f<int>; // expected-warning {{unused}}
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&g<int>; // expected-error {{reference to overloaded function could not be resolved}}
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}
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struct S {
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template<typename T> static int f(T);
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template<typename T> static int g(T);
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template<typename T> static int g(T, int);
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} s;
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int k4 = f(&s.f); // expected-error {{non-constant pointer to member}}
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int k5 = f(&s.f<int>);
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int k6 = f(&s.g<int>); // expected-error {{non-constant pointer to member}}
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void i() {
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(void)&s.f; // expected-error {{non-constant pointer to member}}
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(void)&s.f<int>;
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(void)&s.g<int>; // expected-error {{non-constant pointer to member}}
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&s.f; // expected-error {{non-constant pointer to member}}
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&s.f<int>; // expected-warning {{unused}}
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&s.g<int>; // expected-error {{non-constant pointer to member}}
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}
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struct T {
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template<typename T> int f(T);
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template<typename T> int g(T);
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template<typename T> int g(T, int);
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} t;
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int k7 = f(&s.f); // expected-error {{non-constant pointer to member}}
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int k8 = f(&s.f<int>);
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int k9 = f(&s.g<int>); // expected-error {{non-constant pointer to member}}
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void j() {
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(void)&s.f; // expected-error {{non-constant pointer to member}}
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(void)&s.f<int>;
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(void)&s.g<int>; // expected-error {{non-constant pointer to member}}
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&s.f; // expected-error {{non-constant pointer to member}}
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&s.f<int>; // expected-warning {{unused}}
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&s.g<int>; // expected-error {{non-constant pointer to member}}
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}
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#if __cplusplus >= 201103L
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// Special case kicks in only if a template argument list is specified.
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template<typename T=int> void with_default(); // expected-note +{{}}
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int k10 = f(&with_default); // expected-error {{no matching function}}
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int k11 = f(&with_default<>);
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void k() {
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(void)&with_default; // expected-error {{overloaded function}}
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(void)&with_default<>;
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&with_default; // expected-error {{overloaded function}}
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&with_default<>; // expected-warning {{unused}}
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}
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#endif
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}
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namespace dr116 { // dr116: yes
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template<int> struct A {};
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template<int N> void f(A<N>) {} // expected-note {{previous}}
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template<int M> void f(A<M>) {} // expected-error {{redefinition}}
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template<typename T> void f(A<sizeof(T)>) {} // expected-note {{previous}}
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template<typename U> void f(A<sizeof(U)>) {} // expected-error {{redefinition}}
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}
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// dr117: na
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// dr118 FIXME: add codegen test
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// dr119: na
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// dr120: na
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namespace dr121 { // dr121: yes
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struct X {
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template<typename T> struct Y {};
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};
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template<typename T> struct Z {
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X::Y<T> x;
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T::Y<T> y; // expected-error +{{}}
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};
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Z<X> z;
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}
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namespace dr122 { // dr122: yes
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template<typename T> void f();
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void g() { f<int>(); }
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}
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// dr123: na
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// dr124: dup 201
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// dr125: yes
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struct dr125_A { struct dr125_B {}; }; // expected-note {{here}}
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dr125_A::dr125_B dr125_C();
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namespace dr125_B { dr125_A dr125_C(); }
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namespace dr125 {
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struct X {
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friend dr125_A::dr125_B (::dr125_C)(); // ok
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friend dr125_A (::dr125_B::dr125_C)(); // ok
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friend dr125_A::dr125_B::dr125_C(); // expected-error {{did you mean the constructor name 'dr125_B'?}}
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// expected-warning@-1 {{missing exception specification}}
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#if __cplusplus >= 201103L
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// expected-error@-3 {{follows constexpr declaration}} expected-note@-10 {{here}}
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#endif
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};
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}
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namespace dr126 { // dr126: no
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struct C {};
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struct D : C {};
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struct E : private C { friend class A; friend class B; };
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struct F : protected C {};
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struct G : C {};
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struct H : D, G {};
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struct A {
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virtual void cp() throw(C*);
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virtual void dp() throw(C*);
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virtual void ep() throw(C*); // expected-note {{overridden}}
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virtual void fp() throw(C*); // expected-note {{overridden}}
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virtual void gp() throw(C*);
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virtual void hp() throw(C*); // expected-note {{overridden}}
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virtual void cr() throw(C&);
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virtual void dr() throw(C&);
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virtual void er() throw(C&); // expected-note {{overridden}}
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virtual void fr() throw(C&); // expected-note {{overridden}}
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virtual void gr() throw(C&);
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virtual void hr() throw(C&); // expected-note {{overridden}}
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virtual void pv() throw(void*); // expected-note {{overridden}}
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#if __cplusplus >= 201103L
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virtual void np() throw(C*); // expected-note {{overridden}}
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virtual void npm() throw(int C::*); // expected-note {{overridden}}
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virtual void nr() throw(C&); // expected-note {{overridden}}
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#endif
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virtual void ref1() throw(C *const&);
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virtual void ref2() throw(C *);
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virtual void v() throw(int);
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virtual void w() throw(const int);
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virtual void x() throw(int*);
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virtual void y() throw(const int*);
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virtual void z() throw(int); // expected-note {{overridden}}
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};
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struct B : A {
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virtual void cp() throw(C*);
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virtual void dp() throw(D*);
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virtual void ep() throw(E*); // expected-error {{more lax}}
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virtual void fp() throw(F*); // expected-error {{more lax}}
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virtual void gp() throw(G*);
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virtual void hp() throw(H*); // expected-error {{more lax}}
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virtual void cr() throw(C&);
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virtual void dr() throw(D&);
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virtual void er() throw(E&); // expected-error {{more lax}}
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virtual void fr() throw(F&); // expected-error {{more lax}}
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virtual void gr() throw(G&);
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virtual void hr() throw(H&); // expected-error {{more lax}}
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virtual void pv() throw(C*); // expected-error {{more lax}} FIXME: This is valid.
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#if __cplusplus >= 201103L
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using nullptr_t = decltype(nullptr);
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virtual void np() throw(nullptr_t*); // expected-error {{more lax}} FIXME: This is valid.
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virtual void npm() throw(nullptr_t*); // expected-error {{more lax}} FIXME: This is valid.
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virtual void nr() throw(nullptr_t&); // expected-error {{more lax}} This is not.
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#endif
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virtual void ref1() throw(D *const &);
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virtual void ref2() throw(D *);
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virtual void v() throw(const int);
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virtual void w() throw(int);
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virtual void x() throw(const int*); // FIXME: 'const int*' is not allowed by A::h.
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virtual void y() throw(int*); // ok
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virtual void z() throw(long); // expected-error {{more lax}}
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};
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}
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namespace dr127 { // dr127: yes
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__extension__ typedef __decltype(sizeof(0)) size_t;
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template<typename T> struct A {
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A() throw(int);
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void *operator new(size_t, const char * = 0);
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void operator delete(void *, const char *) { T::error; } // expected-error 2{{no members}}
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void operator delete(void *) { T::error; }
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};
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A<void> *p = new A<void>; // expected-note {{instantiat}}
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A<int> *q = new ("") A<int>; // expected-note {{instantiat}}
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}
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namespace dr128 { // dr128: yes
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enum E1 { e1 } x = e1;
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enum E2 { e2 } y = static_cast<E2>(x), z = static_cast<E2>(e1);
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}
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// dr129: dup 616
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// dr130: na
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namespace dr131 { // dr131: yes
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const char *a_with_\u0e8c = "\u0e8c";
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const char *b_with_\u0e8d = "\u0e8d";
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const char *c_with_\u0e8e = "\u0e8e";
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#if __cplusplus < 201103L
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// expected-error@-4 {{expected ';'}} expected-error@-2 {{expected ';'}}
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#endif
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}
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namespace dr132 { // dr132: no
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void f() {
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extern struct {} x; // ok
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extern struct S {} y; // FIXME: This is invalid.
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}
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static enum { E } e;
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}
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// dr133: dup 87
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// dr134: na
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namespace dr135 { // dr135: yes
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struct A {
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A f(A a) { return a; }
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friend A g(A a) { return a; }
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static A h(A a) { return a; }
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};
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}
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namespace dr136 { // dr136: 3.4
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void f(int, int, int = 0); // expected-note {{previous declaration is here}}
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void g(int, int, int); // expected-note {{previous declaration is here}}
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struct A {
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friend void f(int, int = 0, int); // expected-error {{friend declaration specifying a default argument must be the only declaration}}
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friend void g(int, int, int = 0); // expected-error {{friend declaration specifying a default argument must be the only declaration}}
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friend void h(int, int, int = 0); // expected-error {{friend declaration specifying a default argument must be a definition}}
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friend void i(int, int, int = 0) {} // expected-note {{previous declaration is here}}
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friend void j(int, int, int = 0) {}
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operator int();
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};
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void i(int, int, int); // expected-error {{friend declaration specifying a default argument must be the only declaration}}
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void q() {
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j(A(), A()); // ok, has default argument
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}
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extern "C" void k(int, int, int, int); // expected-note {{previous declaration is here}}
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namespace NSA {
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struct A {
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friend void dr136::k(int, int, int, int = 0); // expected-error {{friend declaration specifying a default argument must be the only declaration}} \
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// expected-note {{previous declaration is here}}
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};
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}
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namespace NSB {
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struct A {
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friend void dr136::k(int, int, int = 0, int); // expected-error {{friend declaration specifying a default argument must be the only declaration}}
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};
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}
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struct B {
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void f(int); // expected-note {{previous declaration is here}}
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};
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struct C {
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friend void B::f(int = 0); // expected-error {{friend declaration specifying a default argument must be the only declaration}}
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};
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}
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namespace dr137 { // dr137: yes
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extern void *p;
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extern const void *cp;
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extern volatile void *vp;
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extern const volatile void *cvp;
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int *q = static_cast<int*>(p);
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int *qc = static_cast<int*>(cp); // expected-error {{casts away qualifiers}}
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int *qv = static_cast<int*>(vp); // expected-error {{casts away qualifiers}}
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int *qcv = static_cast<int*>(cvp); // expected-error {{casts away qualifiers}}
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const int *cq = static_cast<const int*>(p);
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const int *cqc = static_cast<const int*>(cp);
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const int *cqv = static_cast<const int*>(vp); // expected-error {{casts away qualifiers}}
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const int *cqcv = static_cast<const int*>(cvp); // expected-error {{casts away qualifiers}}
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const volatile int *cvq = static_cast<const volatile int*>(p);
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const volatile int *cvqc = static_cast<const volatile int*>(cp);
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const volatile int *cvqv = static_cast<const volatile int*>(vp);
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const volatile int *cvqcv = static_cast<const volatile int*>(cvp);
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}
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namespace dr139 { // dr139: yes
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namespace example1 {
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typedef int f; // expected-note {{previous}}
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struct A {
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friend void f(A &); // expected-error {{different kind of symbol}}
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};
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}
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namespace example2 {
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typedef int f;
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namespace N {
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struct A {
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friend void f(A &);
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operator int();
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void g(A a) { int i = f(a); } // ok, f is typedef not friend function
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};
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}
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}
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}
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namespace dr140 { // dr140: yes
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void f(int *const) {} // expected-note {{previous}}
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void f(int[3]) {} // expected-error {{redefinition}}
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void g(const int);
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void g(int n) { n = 2; }
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}
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namespace dr141 { // dr141: yes
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template<typename T> void f();
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template<typename T> struct S { int n; };
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struct A : S<int> {
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template<typename T> void f();
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template<typename T> struct S {};
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} a;
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struct B : S<int> {} b;
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void g() {
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a.f<int>();
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(void)a.S<int>::n; // expected-error {{no member named 'n'}}
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#if __cplusplus < 201103L
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// expected-error@-2 {{ambiguous}}
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// expected-note@-11 {{lookup from the current scope}}
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// expected-note@-9 {{lookup in the object type}}
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#endif
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b.f<int>(); // expected-error {{no member}} expected-error +{{}}
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(void)b.S<int>::n;
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}
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template<typename T> struct C {
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T t;
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void g() {
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t.f<int>(); // expected-error {{use 'template'}}
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}
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void h() {
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(void)t.S<int>::n; // ok
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}
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void i() {
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(void)t.S<int>(); // ok!
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}
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};
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void h() { C<B>().h(); } // ok
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struct X {
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template<typename T> void S();
|
|
};
|
|
void i() { C<X>().i(); } // ok!!
|
|
}
|
|
|
|
namespace dr142 { // dr142: yes
|
|
class B { // expected-note +{{here}}
|
|
public:
|
|
int mi; // expected-note +{{here}}
|
|
static int si; // expected-note +{{here}}
|
|
};
|
|
class D : private B { // expected-note +{{here}}
|
|
};
|
|
class DD : public D {
|
|
void f();
|
|
};
|
|
void DD::f() {
|
|
mi = 3; // expected-error {{private base class}} expected-error {{private member}}
|
|
si = 3; // expected-error {{private member}}
|
|
B b_old; // expected-error {{private member}}
|
|
dr142::B b;
|
|
b.mi = 3;
|
|
b.si = 3;
|
|
B::si = 3; // expected-error {{private member}}
|
|
dr142::B::si = 3;
|
|
B *bp1_old = this; // expected-error {{private member}} expected-error {{private base class}}
|
|
dr142::B *bp1 = this; // expected-error {{private base class}}
|
|
B *bp2_old = (B*)this; // expected-error 2{{private member}}
|
|
dr142::B *bp2 = (dr142::B*)this;
|
|
bp2->mi = 3;
|
|
}
|
|
}
|
|
|
|
namespace dr143 { // dr143: yes
|
|
namespace A { struct X; }
|
|
namespace B { void f(A::X); }
|
|
namespace A {
|
|
struct X { friend void B::f(X); };
|
|
}
|
|
void g(A::X x) {
|
|
f(x); // expected-error {{undeclared identifier 'f'}}
|
|
}
|
|
}
|
|
|
|
namespace dr145 { // dr145: yes
|
|
void f(bool b) {
|
|
++b; // expected-warning {{deprecated}}
|
|
b++; // expected-warning {{deprecated}}
|
|
}
|
|
}
|
|
|
|
namespace dr147 { // dr147: no
|
|
namespace example1 {
|
|
template<typename> struct A {
|
|
template<typename T> A(T);
|
|
};
|
|
// FIXME: This appears to be valid, and EDG and G++ accept.
|
|
template<> template<> A<int>::A<int>(int) {} // expected-error {{out-of-line constructor for 'A' cannot have template arguments}}
|
|
}
|
|
namespace example2 {
|
|
struct A { A(); };
|
|
struct B : A { B(); };
|
|
A::A a1; // expected-error {{is a constructor}}
|
|
B::A a2;
|
|
}
|
|
namespace example3 {
|
|
template<typename> struct A {
|
|
template<typename T> A(T);
|
|
static A a;
|
|
};
|
|
template<> A<int>::A<int>(A<int>::a); // expected-error {{is a constructor}}
|
|
}
|
|
}
|
|
|
|
namespace dr148 { // dr148: yes
|
|
struct A { int A::*p; };
|
|
int check1[__is_pod(int(A::*)) ? 1 : -1];
|
|
int check2[__is_pod(A) ? 1 : -1];
|
|
}
|
|
|
|
// dr149: na
|