1/* { dg-do compile } */
2/* { dg-require-alias "" } */
3/* { dg-require-weak "" } */
4/* { dg-options "-fno-common" } */
5
6/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1a" } } */
7/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1b" } } */
8/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1c" } } */
9/* { dg-final { scan-assembler-not "weak\[^ \t\]*\[ \t\]_?ffoo1d" } } */
10/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1e" } } */
11/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1f" } } */
12/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1g" } } */
13
14/* test function addresses with __attribute__((weak)) */
15
16extern void * ffoo1a (void) __attribute__((weak));
17extern void * ffoo1a (void);
18void * foo1a (void)
19{
20  return (void *)ffoo1a;
21}
22
23
24extern void * ffoo1b (void);
25extern void * ffoo1b (void) __attribute__((weak));
26void * foo1b (void)
27{
28  return (void *)ffoo1b;
29}
30
31
32extern void * ffoo1c (void);
33void * foo1c (void)
34{
35  return (void *)ffoo1c;
36}
37extern void * ffoo1c (void) __attribute__((weak)); /* { dg-warning "weak declaration" "weak declaration" } */
38
39
40int ffoo1d (void);
41int ffoo1d (void) __attribute__((weak));
42
43
44extern void * ffoo1e (void);
45extern void * ffoo1e (void)  __attribute__((weak));
46void * foo1e (void)
47{
48  if (ffoo1e)
49    ffoo1e ();
50  return 0;
51}
52
53
54extern void * ffoo1f (void);
55void * foo1f (void)
56{
57  if (ffoo1f) /* { dg-warning "" } */
58    ffoo1f ();
59  return 0;
60}
61void * ffoox1f (void) { return (void *)0; }
62extern void * ffoo1f (void)  __attribute__((weak, alias ("ffoox1f"))); /* { dg-warning "weak declaration" "weak declaration" } */
63
64
65extern void * ffoo1g (void);
66void * ffoox1g (void) { return (void *)0; }
67extern void * ffoo1g (void)  __attribute__((weak, alias ("ffoox1g")));
68void * foo1g (void)
69{
70  if (ffoo1g)
71    ffoo1g ();
72  return 0;
73}
74