init.c revision 42edd0d32a729d2735a6fb152ba6bf349bf0a169 
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 = { // expected-error{{tentative definition has type 'struct s1' that is never completed}} \
78  // expected-note{{forward declaration of 'struct s1'}}
79    .a = sizeof(struct s3), // expected-error {{invalid application of 'sizeof'}} \
80                            // expected-note{{forward declaration of 'struct s3'}}
81    .b = bogus // expected-error {{use of undeclared identifier 'bogus'}}
82}
83
84// PR3382
85char t[] = ("Hello");
86
87// <rdar://problem/6094855>
88typedef struct { } empty;
89
90typedef struct {
91  empty e;
92  int i2;
93} st;
94
95st st1 = { .i2 = 1 };
96
97// <rdar://problem/6096826>
98struct {
99  int a;
100  int z[2];
101} y = { .z = {} };
102
103int bbb[10];
104
105struct foo2 {
106   uintptr_t a;
107};
108
109struct foo2 bar2[] = {
110   { (intptr_t)bbb }
111};
112
113struct foo2 bar3 = { 1, 2 }; // expected-warning{{excess elements in struct initializer}}
114
115int* ptest1 = __builtin_choose_expr(1, (int*)0, (int*)0);
116
117typedef int32_t ivector4 __attribute((vector_size(16)));
118ivector4 vtest1 = 1 ? (ivector4){1} : (ivector4){1};
119ivector4 vtest2 = __builtin_choose_expr(1, (ivector4){1}, (ivector4){1});
120ivector4 vtest3 = __real__ (ivector4){1};
121ivector4 vtest4 = __imag__ (ivector4){1};
122
123uintptr_t ptrasintadd1 = (uintptr_t)&a - 4;
124uintptr_t ptrasintadd2 = (uintptr_t)&a + 4;
125uintptr_t ptrasintadd3 = 4 + (uintptr_t)&a;
126