1 /* { dg-do compile } */
2 /* { dg-require-alias "" } */
3 /* { dg-require-weak "" } */
4 /* { dg-options "-fno-common -Waddress" } */
5 /* { dg-skip-if "" { x86_64-*-mingw* } { "*" } { "" } } */
6 
7 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1a" } } */
8 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1b" } } */
9 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1c" } } */
10 /* { dg-final { scan-assembler-not "weak\[^ \t\]*\[ \t\]_?ffoo1d" } } */
11 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1e" } } */
12 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1f" } } */
13 /* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1g" } } */
14 
15 /* test function addresses with __attribute__((weak)) */
16 
17 extern void * ffoo1a (void) __attribute__((weak));
18 extern void * ffoo1a (void);
foo1a(void)19 void * foo1a (void)
20 {
21   return (void *)ffoo1a;
22 }
23 
24 
25 extern void * ffoo1b (void);
26 extern void * ffoo1b (void) __attribute__((weak));
foo1b(void)27 void * foo1b (void)
28 {
29   return (void *)ffoo1b;
30 }
31 
32 
33 extern void * ffoo1c (void);
foo1c(void)34 void * foo1c (void)
35 {
36   return (void *)ffoo1c;
37 }
38 extern void * ffoo1c (void) __attribute__((weak));
39 
40 
41 int ffoo1d (void);
42 int ffoo1d (void) __attribute__((weak));
43 
44 
45 extern void * ffoo1e (void);
46 extern void * ffoo1e (void)  __attribute__((weak));
foo1e(void)47 void * foo1e (void)
48 {
49   if (ffoo1e)
50     ffoo1e ();
51   return 0;
52 }
53 
54 
55 extern void * ffoo1f (void);
foo1f(void)56 void * foo1f (void)
57 {
58   if (ffoo1f) /* { dg-warning "" } */
59     ffoo1f ();
60   return 0;
61 }
ffoox1f(void)62 void * ffoox1f (void) { return (void *)0; }
63 extern void * ffoo1f (void)  __attribute__((weak, alias ("ffoox1f")));
64 
65 
66 extern void * ffoo1g (void);
ffoox1g(void)67 void * ffoox1g (void) { return (void *)0; }
68 extern void * ffoo1g (void)  __attribute__((weak, alias ("ffoox1g")));
foo1g(void)69 void * foo1g (void)
70 {
71   if (ffoo1g)
72     ffoo1g ();
73   return 0;
74 }
75