1 /* Test diagnostics for old-style definition not matching prior 2 prototype are present and give correct location for that prototype 3 (bug 15698). Unprototyped built-in function with user prototype. */ 4 /* Origin: Joseph Myers <joseph@codesourcery.com> */ 5 /* { dg-do compile } */ 6 /* { dg-options "-std=gnu99" } */ 7 8 int isnan(void); /* { dg-error "prototype declaration" } */ isnan(a)9int isnan(a) int a; {} /* { dg-error "number of arguments doesn't match prototype" } */ 10