init.c revision 7c53ca6e03833adab4465462b7d5c888741b715d 
1// RUN: clang %s -verify -fsyntax-only
2
3#include <stdint.h>
4
5typedef void (* fp)(void);
6void foo(void);
7
8// PR clang/3377
9fp a[(short int)1] = { foo };
10
11int myArray[5] = {1, 2, 3, 4, 5};
12int *myPointer2 = myArray;
13int *myPointer = &(myArray[2]);
14
15
16extern int x;
17void *g = &x;
18int *h = &x;
19
20int test() {
21int a[10];
22int b[10] = a; // expected-error {{initialization with '{...}' expected}}
23int +; // expected-error {{expected identifier or '('}} expected-error {{parse error}}
24}
25
26
27// PR2050
28struct cdiff_cmd {
29          const char *name;
30          unsigned short argc;
31          int (*handler)();
32};
33int cdiff_cmd_open();
34struct cdiff_cmd commands[] = {
35        {"OPEN", 1, &cdiff_cmd_open }
36};
37
38// PR2348
39static struct { int z; } s[2];
40int *t = &(*s).z;
41
42// PR2349
43short *a2(void)
44{
45  short int b;
46  static short *bp = &b; // expected-error {{initializer element is not a compile-time constant}}
47
48  return bp;
49}
50
51int pbool(void) {
52  typedef const _Bool cbool;
53  _Bool pbool1 = (void *) 0;
54  cbool pbool2 = &pbool;
55  return pbool2;
56}
57
58
59// rdar://5870981
60union { float f; unsigned u; } u = { 1.0f };
61
62// rdar://6156694
63int f3(int x) { return x; }
64typedef void (*vfunc)(void);
65void *bar = (vfunc) f3;
66
67// PR2747
68struct sym_reg {
69        char nc_gpreg;
70};
71int sym_fw1a_scr[] = {
72           ((int)(&((struct sym_reg *)0)->nc_gpreg)) & 0,
73           8 * ((int)(&((struct sym_reg *)0)->nc_gpreg))
74};
75
76// PR3001
77struct s1 s2 = {
78    .a = sizeof(struct s3), // expected-error {{invalid application of 'sizeof'}} \
79                            // expected-note{{forward declaration of 'struct s3'}}
80    .b = bogus // expected-error {{use of undeclared identifier 'bogus'}}
81}
82
83// PR3382
84char t[] = ("Hello");
85
86// <rdar://problem/6094855>
87typedef struct { } empty;
88
89typedef struct {
90  empty e;
91  int i2;
92} st;
93
94st st1 = { .i2 = 1 };
95
96// <rdar://problem/6096826>
97struct {
98  int a;
99  int z[2];
100} y = { .z = {} };
101
102int bbb[10];
103
104struct foo2 {
105   unsigned a;
106};
107
108struct foo2 bar2[] = {
109   { (intptr_t)bbb }
110};
111
112struct foo2 bar3 = { 1, 2 }; // expected-warning{{excess elements in struct initializer}}
113