| 1 | // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic |
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| 2 | |
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| 3 | // PR1892, PR11354 |
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| 4 | void f(double a[restrict][5]) { __typeof(a) x = 10; } // expected-warning {{(aka 'double (*restrict)[5]')}} |
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| 5 | |
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| 6 | int foo (__const char *__path); |
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| 7 | int foo(__const char *__restrict __file); |
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| 8 | |
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| 9 | void func(const char*); // expected-note {{previous declaration is here}} |
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| 10 | void func(char*); // expected-error{{conflicting types for 'func'}} |
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| 11 | |
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| 12 | void g(int (*)(const void **, const void **)); |
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| 13 | void g(int (*compar)()) { |
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| 14 | } |
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| 15 | |
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| 16 | void h(); // expected-note {{previous declaration is here}} |
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| 17 | void h (const char *fmt, ...) {} // expected-error{{conflicting types for 'h'}} |
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| 18 | |
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| 19 | // PR1965 |
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| 20 | int t5(b); // expected-error {{parameter list without types}} |
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| 21 | int t6(int x, g); // expected-warning {{type specifier missing, defaults to 'int'}} |
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| 22 | |
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| 23 | int t7(, ); // expected-error {{expected parameter declarator}} expected-error {{expected parameter declarator}} |
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| 24 | int t8(, int a); // expected-error {{expected parameter declarator}} |
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| 25 | int t9(int a, ); // expected-error {{expected parameter declarator}} |
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| 26 | |
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| 27 | |
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| 28 | // PR2042 |
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| 29 | void t10(){} |
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| 30 | void t11(){t10(1);} // expected-warning{{too many arguments}} |
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| 31 | |
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| 32 | // PR3208 |
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| 33 | void t12(int) {} // expected-error{{parameter name omitted}} |
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| 34 | |
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| 35 | // PR2790 |
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| 36 | void t13() { |
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| 37 | return 0; // expected-error {{void function 't13' should not return a value}} |
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| 38 | } |
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| 39 | int t14() { |
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| 40 | return; // expected-error {{non-void function 't14' should return a value}} |
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| 41 | } |
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| 42 | |
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| 43 | // <rdar://problem/6097326> |
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| 44 | y(y) { return y; } // expected-warning{{parameter 'y' was not declared, defaulting to type 'int'}} \ |
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| 45 | // expected-warning{{type specifier missing, defaults to 'int'}} |
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| 46 | |
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| 47 | |
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| 48 | // PR3137, <rdar://problem/6127293> |
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| 49 | extern int g0_3137(void); |
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| 50 | void f0_3137() { |
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| 51 | int g0_3137(void); |
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| 52 | } |
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| 53 | void f1_3137() { |
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| 54 | int (*fp)(void) = g0_3137; |
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| 55 | } |
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| 56 | |
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| 57 | void f1static() { |
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| 58 | static void f2static(int); // expected-error{{function declared in block scope cannot have 'static' storage class}} |
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| 59 | register void f2register(int); // expected-error{{illegal storage class on function}} |
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| 60 | } |
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| 61 | |
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| 62 | struct incomplete_test a(void) {} // expected-error{{incomplete result type 'struct incomplete_test' in function definition}} \ |
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| 63 | // expected-note{{forward declaration of 'struct incomplete_test'}} |
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| 64 | |
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| 65 | |
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| 66 | extern __inline |
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| 67 | __attribute__((__gnu_inline__)) |
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| 68 | void gnu_inline1() {} |
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| 69 | |
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| 70 | void |
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| 71 | __attribute__((__gnu_inline__)) // expected-warning {{'gnu_inline' attribute requires function to be marked 'inline', attribute ignored}} |
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| 72 | gnu_inline2() {} |
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| 73 | |
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| 74 | |
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| 75 | // rdar://6802350 |
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| 76 | inline foo_t invalid_type() { // expected-error {{unknown type name 'foo_t'}} |
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| 77 | } |
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| 78 | |
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| 79 | typedef void fn_t(void); |
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| 80 | fn_t t17; |
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| 81 | |
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| 82 | // PR4049 |
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| 83 | unknown_type t18(void*) { // expected-error {{unknown type name 'unknown_type'}} expected-error{{parameter name omitted}} |
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| 84 | } |
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| 85 | |
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| 86 | unknown_type t19(int* P) { // expected-error {{unknown type name 'unknown_type'}} |
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| 87 | P = P+1; // no warning. |
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| 88 | } |
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| 89 | |
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| 90 | // missing ',' before '...' |
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| 91 | void t20(int i...) { } // expected-error {{requires a comma}} |
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| 92 | |
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| 93 | int n; |
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| 94 | void t21(int n, int (*array)[n]); |
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| 95 | |
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| 96 | int func_e(int x) { |
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| 97 | int func_n(int y) { // expected-error {{function definition is not allowed here}} |
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| 98 | if (y > 22) { |
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| 99 | return y+2; |
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| 100 | } else { |
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| 101 | return y-2; |
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| 102 | } |
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| 103 | } |
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| 104 | return x + 3; |
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| 105 | } |
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| 106 | |
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| 107 | void decays(int a[3][3]); // expected-note {{passing argument to parameter 'a' here}} |
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| 108 | void no_decay(int (*a)[3]); // expected-note {{passing argument to parameter 'a' here}} |
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| 109 | |
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| 110 | void t22(int *ptr, int (*array)[3]) { |
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| 111 | decays(ptr); // expected-warning {{incompatible pointer types passing 'int *' to parameter of type 'int (*)[3]'}} |
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| 112 | no_decay(ptr); // expected-warning {{incompatible pointer types passing 'int *' to parameter of type 'int (*)[3]'}} |
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| 113 | decays(array); |
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| 114 | no_decay(array); |
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| 115 | } |
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| 116 | |
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| 117 | void const Bar (void); // ok on decl |
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| 118 | // PR 20146 |
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| 119 | void const Bar (void) // expected-warning {{function cannot return qualified void type 'const void'}} |
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| 120 | { |
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| 121 | } |
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| 122 | |
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