You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.6 KiB
86 lines
2.6 KiB
4 months ago
|
// RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
||
|
|
// RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
||
|
|
// RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
||
|
|
// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
||
|
|
|
||
|
|
namespace std {
|
||
|
|
__extension__ typedef __SIZE_TYPE__ size_t;
|
||
|
|
|
||
|
|
template<typename T> struct initializer_list {
|
||
|
|
const T *p; size_t n;
|
||
|
|
initializer_list(const T *p, size_t n);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace dr1004 { // dr1004: 5
|
||
|
|
template<typename> struct A {};
|
||
|
|
template<typename> struct B1 {};
|
||
|
|
template<template<typename> class> struct B2 {};
|
||
|
|
template<typename X> void f(); // expected-note {{[with X = dr1004::A<int>]}}
|
||
|
|
template<template<typename> class X> void f(); // expected-note {{[with X = A]}}
|
||
|
|
template<template<typename> class X> void g(); // expected-note {{[with X = A]}}
|
||
|
|
template<typename X> void g(); // expected-note {{[with X = dr1004::A<int>]}}
|
||
|
|
struct C : A<int> {
|
||
|
|
B1<A> b1a;
|
||
|
|
B2<A> b2a;
|
||
|
|
void h() {
|
||
|
|
f<A>(); // expected-error {{ambiguous}}
|
||
|
|
g<A>(); // expected-error {{ambiguous}}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// This example (from the standard) is actually ill-formed, because
|
||
|
|
// name lookup of "T::template A" names the constructor.
|
||
|
|
template<class T, template<class> class U = T::template A> struct Third { }; // expected-error {{is a constructor name}}
|
||
|
|
Third<A<int> > t; // expected-note {{in instantiation of default argument}}
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace dr1048 { // dr1048: 3.6
|
||
|
|
struct A {};
|
||
|
|
const A f();
|
||
|
|
A g();
|
||
|
|
typedef const A CA;
|
||
|
|
#if __cplusplus >= 201103L
|
||
|
|
// ok: we deduce non-const A in each case.
|
||
|
|
A &&a = [] (int n) {
|
||
|
|
while (1) switch (n) {
|
||
|
|
case 0: return f();
|
||
|
|
case 1: return g();
|
||
|
|
case 2: return A();
|
||
|
|
case 3: return CA();
|
||
|
|
}
|
||
|
|
} (0);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace dr1054 { // dr1054: no
|
||
|
|
// FIXME: Test is incomplete.
|
||
|
|
struct A {} volatile a;
|
||
|
|
void f() {
|
||
|
|
// FIXME: This is wrong: an lvalue-to-rvalue conversion is applied here,
|
||
|
|
// which copy-initializes a temporary from 'a'. Therefore this is
|
||
|
|
// ill-formed because A does not have a volatile copy constructor.
|
||
|
|
// (We might want to track this aspect under dr1383 instead?)
|
||
|
|
a; // expected-warning {{assign into a variable to force a volatile load}}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace dr1070 { // dr1070: 3.5
|
||
|
|
#if __cplusplus >= 201103L
|
||
|
|
struct A {
|
||
|
|
A(std::initializer_list<int>);
|
||
|
|
};
|
||
|
|
struct B {
|
||
|
|
int i;
|
||
|
|
A a;
|
||
|
|
};
|
||
|
|
B b = {1};
|
||
|
|
struct C {
|
||
|
|
std::initializer_list<int> a;
|
||
|
|
B b;
|
||
|
|
std::initializer_list<double> c;
|
||
|
|
};
|
||
|
|
C c = {};
|
||
|
|
#endif
|
||
|
|
}
|