OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [func-ptr-conv-1.c] - Blame information for rev 689

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 689 jeremybenn
/* Conversions between function and object pointers are not permitted
2
   in any version of ISO C, even with casts, except for the special
3
   case of converting a null pointer constant to function pointer
4
   type.  Likewise, comparisons between function and object pointers
5
   are not permitted.  PR c/11234.  */
6
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
7
/* { dg-do compile } */
8
/* { dg-options "-pedantic" } */
9
 
10
void f(void);
11
 
12
void *v1 = f; /* { dg-warning "12:pointer" "bad conversion" } */
13
void *v2 = &f; /* { dg-warning "12:pointer" "bad conversion" } */
14
void *v3 = (void *)f; /* { dg-warning "12:pointer" "bad conversion" } */
15
void *v4 = (void *)&f; /* { dg-warning "12:pointer" "bad conversion" } */
16
void *v5;
17
char *c1 = f; /* { dg-warning "12:pointer" "bad conversion" } */
18
char *c2 = &f; /* { dg-warning "12:pointer" "bad conversion" } */
19
char *c3 = (char *)f; /* { dg-warning "12:pointer" "bad conversion" } */
20
char *c4 = (char *)&f; /* { dg-warning "12:pointer" "bad conversion" } */
21
char *c5;
22
void (*fp)(void);
23
int a;
24
 
25
void
26
g(void)
27
{
28
  v5 = f; /* { dg-warning "6:pointer" "bad conversion" } */
29
  v5 = &f; /* { dg-warning "6:pointer" "bad conversion" } */
30
  v5 = (void *)f; /* { dg-warning "8:pointer" "bad conversion" } */
31
  v5 = (void *)&f; /* { dg-warning "8:pointer" "bad conversion" } */
32
  c5 = f; /* { dg-warning "6:pointer" "bad conversion" } */
33
  c5 = &f; /* { dg-warning "6:pointer" "bad conversion" } */
34
  c5 = (char *)f; /* { dg-warning "8:pointer" "bad conversion" } */
35
  c5 = (char *)&f; /* { dg-warning "8:pointer" "bad conversion" } */
36
  fp = v5; /* { dg-warning "6:pointer" "bad conversion" } */
37
  fp = c5; /* { dg-warning "6:pointer" "bad conversion" } */
38
  fp = (void (*)(void))v5; /* { dg-warning "8:pointer" "bad conversion" } */
39
  fp = (void (*)(void))c5; /* { dg-warning "8:pointer" "bad conversion" } */
40
  (a ? f : v3); /* { dg-warning "10:pointer" "bad conversion" } */
41
  (a ? v2 : fp); /* { dg-warning "11:pointer" "bad conversion" } */
42
  /* The following are OK.  */
43
  fp = 0;
44
  fp = (void *)0;
45
  fp = 0L;
46
  fp = (void (*)(void))0;
47
  fp = (void (*)(void))(void *)0;
48
  (a ? f : 0);
49
  (a ? f : (void *)0);
50
  (a ? (void *)0 : fp);
51
  (a ? 0 : fp);
52
}
53
 
54
/* The following are OK.  */
55
void (*fp2)(void) = 0;
56
void (*fp3)(void) = (void *)0;

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.