| /* { dg-do compile } */ |
| /* { dg-options "-Wall -Wshadow -fshow-column" } */ |
| |
| extern double strtod (const char *, char **); |
| #define UNUSED __attribute__ ((unused)) |
| |
| /* A built-in function may be overridden by an old-style definition |
| specifying too few arguments... */ |
| double cos () /* { dg-warning "shadows a built-in|number of arguments" } */ |
| { |
| return strtod ("nan", 0); |
| } |
| |
| /* the right number, but the wrong type, arguments... */ |
| double sin (foo) /* { dg-warning "8:shadows a built-in" } */ |
| int foo UNUSED; /* { dg-warning "10:argument 'foo' doesn't match built-in prototype" } */ |
| { |
| return strtod ("nan", 0); |
| } |
| |
| /* or too many arguments. */ |
| long double cosl (foo, bar) /* { dg-warning "shadows a built-in|number of arguments" } */ |
| const char *foo UNUSED; /* { dg-warning "18:argument 'foo' doesn't match" } */ |
| int bar UNUSED; |
| { |
| return strtod ("nan", 0); |
| } |
