1 // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
2
3 struct foo { int a, b; };
4
5 static struct foo t = (struct foo){0,0};
6 static struct foo t1 = __builtin_choose_expr(0, (struct foo){0,0}, (struct foo){0,0});
7 static struct foo t2 = {0,0};
8 static struct foo t3 = t2; // -expected-error {{initializer element is not a compile-time constant}}
9 static int *p = (int []){2,4};
10 static int x = (int){1};
11
12 static int *p2 = (int []){2,x}; // -expected-error {{initializer element is not a compile-time constant}}
13 static long *p3 = (long []){2,"x"}; // -expected-warning {{incompatible pointer to integer conversion initializing 'long' with an expression of type 'char [2]'}}
14
15 typedef struct { } cache_t; // -expected-warning{{empty struct is a GNU extension}}
16 static cache_t clo_I1_cache = ((cache_t) { } ); // -expected-warning{{use of GNU empty initializer extension}}
17
18 typedef struct Test {int a;int b;} Test;
19 static Test* ll = &(Test) {0,0};
20
21 extern void fooFunc(struct foo *pfoo);
22
main(int argc,char ** argv)23 int main(int argc, char **argv) {
24 int *l = (int []){x, *p, *p2};
25 fooFunc(&(struct foo){ 1, 2 });
26 }
27
28 struct Incomplete; // expected-note{{forward declaration of 'struct Incomplete'}}
29 struct Incomplete* I1 = &(struct Incomplete){1, 2, 3}; // -expected-error {{variable has incomplete type}}
IncompleteFunc(unsigned x)30 void IncompleteFunc(unsigned x) {
31 struct Incomplete* I2 = (struct foo[x]){1, 2, 3}; // -expected-error {{variable-sized object may not be initialized}}
32 (void){1,2,3}; // -expected-error {{variable has incomplete type}}
33 (void(void)) { 0 }; // -expected-error{{illegal initializer type 'void (void)'}}
34 }
35
36 // PR6080
37 int array[(sizeof(int[3]) == sizeof( (int[]) {0,1,2} )) ? 1 : -1];
38