| 1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | struct S { |
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| 4 | template <typename Ty = char> |
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| 5 | static_assert(sizeof(Ty) != 1, "Not a char"); // expected-error {{a static_assert declaration cannot be a template}} |
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| 6 | }; |
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| 7 | |
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| 8 | template <typename Ty = char> |
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| 9 | static_assert(sizeof(Ty) != 1, "Not a char"); // expected-error {{a static_assert declaration cannot be a template}} |
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| 10 | |
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| 11 | namespace Ellipsis { |
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| 12 | template<typename ...T> void f(T t..., int n); // expected-error {{must immediately precede declared identifier}} |
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| 13 | template<typename ...T> void f(int n, T t...); // expected-error {{must immediately precede declared identifier}} |
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| 14 | template<typename ...T> void f(int n, T t, ...); // expected-error {{unexpanded parameter pack}} |
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| 15 | template<typename ...T> void f() { |
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| 16 | f([]{ |
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| 17 | void g(T |
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| 18 | t // expected-note {{place '...' immediately before declared identifier to declare a function parameter pack}} |
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| 19 | ... // expected-warning {{'...' in this location creates a C-style varargs function, not a function parameter pack}} |
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| 20 | // expected-note@-1 {{insert ',' before '...' to silence this warning}} |
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| 21 | ); |
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| 22 | void h(T (& |
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| 23 | ) // expected-note {{place '...' here to declare a function parameter pack}} |
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| 24 | ... // expected-warning {{'...' in this location creates a C-style varargs function, not a function parameter pack}} |
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| 25 | // expected-note@-1 {{insert ',' before '...' to silence this warning}} |
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| 26 | ); |
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| 27 | void i(T (&), ...); |
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| 28 | }...); |
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| 29 | } |
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| 30 | template<typename ...T> struct S { |
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| 31 | void f(T t...); // expected-error {{must immediately precede declared identifier}} |
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| 32 | void f(T ... // expected-note {{preceding '...' declares a function parameter pack}} |
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| 33 | t...); // expected-warning-re {{'...' in this location creates a C-style varargs function{{$}}}} |
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| 34 | // expected-note@-1 {{insert ',' before '...' to silence this warning}} |
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| 35 | }; |
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| 36 | |
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| 37 | // FIXME: We should just issue a single error in this case pointing out where |
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| 38 | // the '...' goes. It's tricky to recover correctly in this case, though, |
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| 39 | // because the parameter is in scope in the default argument, so must be |
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| 40 | // passed to Sema before we reach the ellipsis. |
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| 41 | template<typename...T> void f(T n = 1 ...); |
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| 42 | // expected-warning@-1 {{creates a C-style varargs}} |
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| 43 | // expected-note@-2 {{place '...' immediately before declared identifier}} |
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| 44 | // expected-note@-3 {{insert ','}} |
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| 45 | // expected-error@-4 {{unexpanded parameter pack}} |
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| 46 | } |
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| 47 | |
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