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// RUN: %clang_cc1 -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic-errors %s
void f() {
int a;
struct S { int m; };
typedef S *T;
// Expressions.
T(a)->m = 7;
int(a)++; // expected-error {{assignment to cast is illegal}}
__extension__ int(a)++; // expected-error {{assignment to cast is illegal}}
__typeof(int)(a,5)<<a; // expected-error {{excess elements in scalar initializer}}
void(a), ++a;
if (int(a)+1) {}
for (int(a)+1;;) {} // expected-warning {{expression result unused}}
a = sizeof(int()+1);
a = sizeof(int(1));
typeof(int()+1) a2; // expected-error {{extension used}}
(int(1)); // expected-warning {{expression result unused}}
// type-id
(int())1; // expected-error {{C-style cast from 'int' to 'int ()' is not allowed}}
// Declarations.
int fd(T(a)); // expected-warning {{disambiguated as a function declaration}} expected-note{{add a pair of parentheses}}
T(*d)(int(p)); // expected-note {{previous}}
typedef T td(int(p));
extern T tp(int(p));
T d3(); // expected-warning {{empty parentheses interpreted as a function declaration}} expected-note {{replace parentheses with an initializer}}
T d3v(void);
typedef T d3t();
extern T f3();
__typeof(*T()) f4(); // expected-warning {{empty parentheses interpreted as a function declaration}} expected-note {{replace parentheses with an initializer}}
typedef void *V;
__typeof(*V()) f5();
T multi1,
multi2(); // expected-warning {{empty parentheses interpreted as a function declaration}} expected-note {{replace parentheses with an initializer}}
T(d)[5]; // expected-error {{redefinition of 'd'}}
typeof(int[])(f) = { 1, 2 }; // expected-error {{extension used}}
void(b)(int);
int(d2) __attribute__(());
if (int(a)=1) {}
int(d3(int()));
}
struct RAII {
RAII();
~RAII();
};
void func();
void func2(short);
namespace N {
struct S;
void emptyParens() {
RAII raii(); // expected-warning {{function declaration}} expected-note {{remove parentheses to declare a variable}}
int a, b, c, d, e, // expected-note {{change this ',' to a ';' to call 'func'}}
func(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
S s(); // expected-warning {{function declaration}}
}
void nonEmptyParens() {
int f = 0, // g = 0; expected-note {{change this ',' to a ';' to call 'func2'}}
func2(short(f)); // expected-warning {{function declaration}} expected-note {{add a pair of parentheses}}
}
}
class C { };
void fn(int(C)) { } // void fn(int(*fp)(C c)) { } expected-note{{candidate function}}
// not: void fn(int C);
int g(C);
void foo() {
fn(1); // expected-error {{no matching function}}
fn(g); // OK
}
namespace PR11874 {
void foo(); // expected-note 3 {{class 'foo' is hidden by a non-type declaration of 'foo' here}}
class foo {};
class bar {
bar() {
const foo* f1 = 0; // expected-error {{must use 'class' tag to refer to type 'foo' in this scope}}
foo* f2 = 0; // expected-error {{must use 'class' tag to refer to type 'foo' in this scope}}
foo f3; // expected-error {{must use 'class' tag to refer to type 'foo' in this scope}}
}
};
int baz; // expected-note 2 {{class 'baz' is hidden by a non-type declaration of 'baz' here}}
class baz {};
void fizbin() {
const baz* b1 = 0; // expected-error {{must use 'class' tag to refer to type 'baz' in this scope}}
baz* b2; // expected-error {{use of undeclared identifier 'b2'}}
baz b3; // expected-error {{must use 'class' tag to refer to type 'baz' in this scope}}
}
}
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