| /* { dg-do compile } */ |
| /* { dg-options "-Wall -Wshadow" } */ |
| |
| 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 "shadowing built-in" } */ |
| return strtod ("nan", 0); |
| } |
| |
| /* the right number, but the wrong type, arguments... */ |
| double sin (foo) |
| int foo UNUSED; /* { dg-warning "shadowing built-in" } */ |
| { |
| return strtod ("nan", 0); |
| } |
| |
| /* or too many arguments. */ |
| long double cosl (foo, bar) |
| long double foo UNUSED; /* { dg-warning "shadowing built-in" } */ |
| int bar UNUSED; |
| { |
| return strtod ("nan", 0); |
| } |
