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/* { 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 nan ()
{ /* { dg-warning "shadowing built-in" } */
return strtod ("nan", 0);
}
/* the right number, but the wrong type, arguments... */
float nanf (foo)
int foo UNUSED; /* { dg-warning "shadowing built-in" } */
{
return strtod ("nan", 0);
}
/* or too many arguments. */
long double nanl (foo, bar)
const char *foo UNUSED; /* { dg-warning "shadowing built-in" } */
int bar UNUSED;
{
return strtod ("nan", 0);
}
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