1 /* { dg-do compile } */
2 /* { dg-options "-Wall -Wshadow -fshow-column" } */
3
4 extern double strtod (const char *, char **);
5 #define UNUSED __attribute__ ((unused))
6
7 /* A built-in function may be overridden by an old-style definition
8 specifying too few arguments... */
cos()9 double cos () /* { dg-warning "shadows a built-in|number of arguments" } */
10 {
11 return strtod ("nan", 0);
12 }
13
14 /* the right number, but the wrong type, arguments... */
sin(foo)15 double sin (foo) /* { dg-warning "8:shadows a built-in" } */
16 int foo UNUSED; /* { dg-warning "10:argument 'foo' doesn't match built-in prototype" } */
17 {
18 return strtod ("nan", 0);
19 }
20
21 /* or too many arguments. */
cosl(foo,bar)22 long double cosl (foo, bar) /* { dg-warning "shadows a built-in|number of arguments" } */
23 const char *foo UNUSED; /* { dg-warning "18:argument 'foo' doesn't match" } */
24 int bar UNUSED;
25 {
26 return strtod ("nan", 0);
27 }
28