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      1 // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic
      2 // PR1892
      3 void f(double a[restrict][5]);  // should promote to restrict ptr.
      4 void f(double (* restrict a)[5]);
      5 
      6 int foo (__const char *__path);
      7 int foo(__const char *__restrict __file);
      8 
      9 void func(const char*); // expected-note {{previous declaration is here}}
     10 void func(char*); // expected-error{{conflicting types for 'func'}}
     11 
     12 void g(int (*)(const void **, const void **));
     13 void g(int (*compar)()) {
     14 }
     15 
     16 void h();  // expected-note {{previous declaration is here}}
     17 void h (const char *fmt, ...) {} // expected-error{{conflicting types for 'h'}}
     18 
     19 // PR1965
     20 int t5(b);          // expected-error {{parameter list without types}}
     21 int t6(int x, g);   // expected-warning {{type specifier missing, defaults to 'int'}}
     22 
     23 int t7(, );       // expected-error {{expected parameter declarator}} expected-error {{expected parameter declarator}}
     24 int t8(, int a);  // expected-error {{expected parameter declarator}}
     25 int t9(int a, );  // expected-error {{expected parameter declarator}}
     26 
     27 
     28 // PR2042
     29 void t10(){}
     30 void t11(){t10(1);} // expected-warning{{too many arguments}}
     31 
     32 // PR3208
     33 void t12(int) {}  // expected-error{{parameter name omitted}}
     34 
     35 // PR2790
     36 void t13() {
     37   return 0; // expected-error {{void function 't13' should not return a value}}
     38 }
     39 int t14() {
     40   return; // expected-error {{non-void function 't14' should return a value}}
     41 }
     42 
     43 // <rdar://problem/6097326>
     44 y(y) { return y; } // expected-warning{{parameter 'y' was not declared, defaulting to type 'int'}} \
     45                    // expected-warning{{type specifier missing, defaults to 'int'}}
     46 
     47 
     48 // PR3137, <rdar://problem/6127293>
     49 extern int g0_3137(void);
     50 void f0_3137() {
     51   int g0_3137(void);
     52 }
     53 void f1_3137() {
     54   int (*fp)(void) = g0_3137;
     55 }
     56 
     57 void f1static() {
     58   static void f2static(int); // expected-error{{function declared in block scope cannot have 'static' storage class}}
     59   register void f2register(int); // expected-error{{illegal storage class on function}}
     60 }
     61 
     62 struct incomplete_test a(void) {} // expected-error{{incomplete result type 'struct incomplete_test' in function definition}} \
     63     // expected-note{{forward declaration of 'struct incomplete_test'}}
     64 
     65 
     66 extern __inline
     67 __attribute__((__gnu_inline__))
     68 void gnu_inline1() {}
     69 
     70 void
     71 __attribute__((__gnu_inline__)) // expected-warning {{'gnu_inline' attribute requires function to be marked 'inline', attribute ignored}}
     72 gnu_inline2() {}
     73 
     74 
     75 // rdar://6802350
     76 inline foo_t invalid_type() {  // expected-error {{unknown type name 'foo_t'}}
     77 }
     78 
     79 typedef void fn_t(void);
     80 fn_t t17;
     81 
     82 // PR4049
     83 unknown_type t18(void*) {   // expected-error {{unknown type name 'unknown_type'}} expected-error{{parameter name omitted}}
     84 }
     85 
     86 unknown_type t19(int* P) {   // expected-error {{unknown type name 'unknown_type'}}
     87   P = P+1;  // no warning.
     88 }
     89 
     90 // missing ',' before '...'
     91 void t20(int i...) { } // expected-error {{requires a comma}}
     92