File: c11-noreturn.c

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// RUN: %clang_cc1 -std=c11 -fsyntax-only -verify %s
// RUN: not %clang_cc1 -std=c99 -pedantic -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-EXT %s

_Noreturn int f(void);
int _Noreturn f(void); // expected-note {{previous}}
int f _Noreturn(); // expected-error {{expected ';'}} expected-error 2{{}}
int f(void) _Noreturn; // expected-error {{'_Noreturn' keyword must precede function declarator}}

_Noreturn char c1; // expected-error {{'_Noreturn' can only appear on functions}}
char _Noreturn c2; // expected-error {{'_Noreturn' can only appear on functions}}

typedef _Noreturn int g(void); // expected-error {{'_Noreturn' can only appear on functions}}

_Noreturn int; // expected-error {{'_Noreturn' can only appear on functions}} expected-warning {{does not declare anything}}
_Noreturn struct S; // expected-error {{'_Noreturn' can only appear on functions}}
_Noreturn enum E { e }; // expected-error {{'_Noreturn' can only appear on functions}}

struct GH56800 {
  _Noreturn int f1; // expected-error {{type name does not allow function specifier to be specified}}
};

_Noreturn int AlsoBad; // expected-error {{'_Noreturn' can only appear on functions}}
void func(_Noreturn int ThisToo) { // expected-error {{'_Noreturn' can only appear on functions}}
  for (_Noreturn int i = 0; i < 10; ++i) // expected-error {{'_Noreturn' can only appear on functions}}
    ;
}


// CHECK-EXT: '_Noreturn' is a C11 extension