1 /* PR c/61852 */ 2 /* { dg-do compile } */ 3 /* { dg-options "-Wimplicit-function-declaration" } */ 4 5 int f(int a)6 f (int a) 7 { 8 int b = a + a + a + ff (a); /* { dg-warning "23:implicit declaration of function" } */ 9 return b; 10 } 11