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// RUN: %clang_cc1 -fsyntax-only -verify %s
struct X {
template<typename T, typename U>
static void f(int, int);
};
void f() {
void (*ptr)(int, int) = &X::f<int, int>;
unknown *p = 0; // expected-error {{unknown type name 'unknown'}}
unknown * p + 0; // expected-error {{undeclared identifier 'unknown'}}
}
auto (*p)() -> int(nullptr);
auto (*q)() -> int(*)(unknown); // expected-error {{unknown type name 'unknown'}}
auto (*r)() -> int(*)(unknown + 1); // expected-error {{undeclared identifier 'unknown'}}
int f(unknown const x); // expected-error {{unknown type name 'unknown'}}
// Disambiguating an array declarator from an array subscripting.
void arr() {
int x[] = {1}; // expected-note 2{{previous}}
// This is array indexing not an array declarator because a comma expression
// is not syntactically a constant-expression.
int(x[1,1]); // expected-warning {{left operand of comma operator has no effect}} expected-warning {{unused}}
// This is array indexing not an array declaration because a braced-init-list
// is not syntactically a constant-expression.
int(x[{0}]); // expected-error {{array subscript is not an integer}}
struct A {
struct Q { int n; };
int operator[](Q);
} a;
int(a[{0}]); // expected-warning {{unused}}
// These are array declarations.
int(x[((void)1,1)]); // expected-error {{redefinition}}
int(x[true ? 1 : (1,1)]); // expected-error {{redefinition}} // expected-warning {{left operand of comma operator has no effect}}
int (*_Atomic atomic_ptr_to_int);
*atomic_ptr_to_int = 42;
}
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