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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s -pedantic -std=c99
      2 
      3 int __attribute__(()) x;
      4 
      5 __inline void __attribute__((__always_inline__, __nodebug__))
      6 foo(void) {
      7 }
      8 
      9 
     10 __attribute__(()) y;   // expected-warning {{defaults to 'int'}}
     11 
     12 // PR2796
     13 int (__attribute__(()) *z)(long y);
     14 
     15 
     16 void f1(__attribute__(()) int x);
     17 
     18 int f2(y, __attribute__(()) x);     // expected-error {{expected identifier}}
     19 
     20 // This is parsed as a normal argument list (with two args that are implicit
     21 // int) because the __attribute__ is a declspec.
     22 void f3(__attribute__(()) x,  // expected-warning {{defaults to 'int'}}
     23         y);               // expected-warning {{defaults to 'int'}}
     24 
     25 void f4(__attribute__(()));   // expected-error {{expected parameter declarator}}
     26 
     27 
     28 // This is ok, the __attribute__ applies to the pointer.
     29 int baz(int (__attribute__(()) *x)(long y));
     30 
     31 void g1(void (*f1)(__attribute__(()) int x));
     32 void g2(int (*f2)(y, __attribute__(()) x));    // expected-error {{expected identifier}}
     33 void g3(void (*f3)(__attribute__(()) x, int y));  // expected-warning {{defaults to 'int'}}
     34 void g4(void (*f4)(__attribute__(())));  // expected-error {{expected parameter declarator}}
     35 
     36 
     37 void (*h1)(void (*f1)(__attribute__(()) int x));
     38 void (*h2)(int (*f2)(y, __attribute__(()) x));    // expected-error {{expected identifier}}
     39 
     40 void (*h3)(void (*f3)(__attribute__(()) x));   // expected-warning {{defaults to 'int'}}
     41 void (*h4)(void (*f4)(__attribute__(())));  // expected-error {{expected parameter declarator}}
     42 
     43 
     44 
     45 // rdar://6131260
     46 int foo42(void) {
     47   int x, __attribute__((unused)) y, z;
     48   return 0;
     49 }
     50 
     51 // rdar://6096491
     52 void __attribute__((noreturn)) d0(void), __attribute__((noreturn)) d1(void);
     53 
     54 void d2(void) __attribute__((noreturn)), d3(void) __attribute__((noreturn));
     55 
     56 
     57 // PR6287
     58 void __attribute__((returns_twice)) returns_twice_test();
     59 
     60 int aligned(int);
     61 int __attribute__((vec_type_hint(char, aligned(16) )) missing_rparen_1; // expected-error {{expected ')'}}
     62 int __attribute__((mode(x aligned(16) )) missing_rparen_2; // expected-error {{expected ')'}}
     63 int __attribute__((format(printf, 0 aligned(16) )) missing_rparen_3; // expected-error {{expected ')'}}
     64