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// 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}}
}
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