1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.14.0 -fsyntax-only -fblocks -pedantic -verify %s 2 3 void cat0(int a[static 0]) {} // expected-warning {{zero size arrays are an extension}} \ 4 // expected-note {{callee declares array parameter as static here}} 5 6 void cat(int a[static 3]) {} // expected-note 4 {{callee declares array parameter as static here}} expected-note 2 {{passing argument to parameter 'a' here}} 7 8 void vat(int i, int a[static i]) {} // expected-note {{callee declares array parameter as static here}} 9 10 void f(int *p) { 11 int a[2], b[3], c[4]; 12 13 cat0(0); // expected-warning {{null passed to a callee that requires a non-null argument}} 14 15 cat(0); // expected-warning {{null passed to a callee that requires a non-null argument}} 16 cat(a); // expected-warning {{array argument is too small; contains 2 elements, callee requires at least 3}} 17 cat(b); 18 cat(c); 19 cat(p); 20 21 vat(1, 0); // expected-warning {{null passed to a callee that requires a non-null argument}} 22 vat(3, b); 23 24 char d[4]; 25 cat((int *)d); // expected-warning {{array argument is too small; is of size 4, callee requires at least 12}} 26 cat(d); // expected-warning {{array argument is too small; is of size 4, callee requires at least 12}} expected-warning {{incompatible pointer types}} 27 28 char e[12]; 29 cat((int *)e); 30 cat(e); // expected-warning {{incompatible pointer types}} 31 } 32 33 34 typedef int td[static 3]; // expected-error {{'static' used in array declarator outside of function prototype}} 35 typedef void(*fp)(int[static 42]); // no-warning 36 37 void g(void) { 38 int a[static 42]; // expected-error {{'static' used in array declarator outside of function prototype}} 39 40 int b[const 10]; // expected-error {{type qualifier used in array declarator outside of function prototype}} 41 int c[volatile 10]; // expected-error {{type qualifier used in array declarator outside of function prototype}} 42 int d[restrict 10]; // expected-error {{type qualifier used in array declarator outside of function prototype}} 43 44 int e[static restrict 1]; // expected-error {{'static' used in array declarator outside of function prototype}} 45 } 46 47 void h(int [static const 10][42]); // no-warning 48 49 void i(int [10] 50 [static 42]); // expected-error {{'static' used in non-outermost array type derivation}} 51 52 void j(int [10] 53 [const 42]); // expected-error {{type qualifier used in non-outermost array type derivation}} 54 55 void k(int (*x)[static 10]); // expected-error {{'static' used in non-outermost array type derivation}} 56 void l(int (x)[static 10]); // no-warning 57 void m(int *x[static 10]); // no-warning 58 void n(int *(x)[static 10]); // no-warning 59 60 void o(int (x[static 10])(void)); // expected-error{{'x' declared as array of functions of type 'int (void)'}} 61 void p(int (^x)[static 10]); // expected-error{{block pointer to non-function type is invalid}} 62 void q(int (^x[static 10])()); // no-warning 63 64 void r(x) 65 int x[restrict]; // no-warning 66 {} 67