struct-decl.c revision 740782a78386ad3c64c670ba9b1619545bbb4901 
1// RUN: clang-cc -fsyntax-only -verify %s
2// PR3459
3struct bar {
4	char n[1];
5};
6
7struct foo {
8	char name[(int)&((struct bar *)0)->n];
9	char name2[(int)&((struct bar *)0)->n - 1]; //expected-error{{array size is negative}}
10};
11
12// PR3430
13struct s {
14        struct st {
15                int v;
16        } *ts;
17};
18
19struct st;
20
21int foo() {
22        struct st *f;
23        return f->v + f[0].v;
24}
25
26// PR3642, PR3671
27struct pppoe_tag {
28 short tag_type;
29 char tag_data[];
30};
31struct datatag {
32 struct pppoe_tag hdr; //expected-warning{{field 'hdr' with variable sized type 'struct pppoe_tag' not at the end of a struct or class is a GNU extension}}
33 char data;
34};
35
36