forked from OSchip/llvm-project
47 lines
2.4 KiB
C++
47 lines
2.4 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
|
|
|
|
struct S {
|
|
template <typename Ty = char>
|
|
static_assert(sizeof(Ty) != 1, "Not a char"); // expected-error {{a static_assert declaration cannot be a template}}
|
|
};
|
|
|
|
template <typename Ty = char>
|
|
static_assert(sizeof(Ty) != 1, "Not a char"); // expected-error {{a static_assert declaration cannot be a template}}
|
|
|
|
namespace Ellipsis {
|
|
template<typename ...T> void f(T t..., int n); // expected-error {{must immediately precede declared identifier}}
|
|
template<typename ...T> void f(int n, T t...); // expected-error {{must immediately precede declared identifier}}
|
|
template<typename ...T> void f(int n, T t, ...); // expected-error {{unexpanded parameter pack}}
|
|
template<typename ...T> void f() {
|
|
f([]{
|
|
void g(T
|
|
t // expected-note {{place '...' immediately before declared identifier to declare a function parameter pack}}
|
|
... // expected-warning {{'...' in this location creates a C-style varargs function, not a function parameter pack}}
|
|
// expected-note@-1 {{insert ',' before '...' to silence this warning}}
|
|
);
|
|
void h(T (&
|
|
) // expected-note {{place '...' here to declare a function parameter pack}}
|
|
... // expected-warning {{'...' in this location creates a C-style varargs function, not a function parameter pack}}
|
|
// expected-note@-1 {{insert ',' before '...' to silence this warning}}
|
|
);
|
|
void i(T (&), ...);
|
|
}...);
|
|
}
|
|
template<typename ...T> struct S {
|
|
void f(T t...); // expected-error {{must immediately precede declared identifier}}
|
|
void f(T ... // expected-note {{preceding '...' declares a function parameter pack}}
|
|
t...); // expected-warning-re {{'...' in this location creates a C-style varargs function{{$}}}}
|
|
// expected-note@-1 {{insert ',' before '...' to silence this warning}}
|
|
};
|
|
|
|
// FIXME: We should just issue a single error in this case pointing out where
|
|
// the '...' goes. It's tricky to recover correctly in this case, though,
|
|
// because the parameter is in scope in the default argument, so must be
|
|
// passed to Sema before we reach the ellipsis.
|
|
template<typename...T> void f(T n = 1 ...);
|
|
// expected-warning@-1 {{creates a C-style varargs}}
|
|
// expected-note@-2 {{place '...' immediately before declared identifier}}
|
|
// expected-note@-3 {{insert ','}}
|
|
// expected-error@-4 {{unexpanded parameter pack}}
|
|
}
|