gcc/testsuite/gcc.dg/unused-1.c

   1 /* Missing `unused parameter' warning.
   2    egcs-1.1.2 fails, egcs-ss-19990418 passes.
   3    http://gcc.gnu.org/ml/gcc-bugs/1998-09/msg00199.html */
   4 /* { dg-do compile } */
   5 /* { dg-options "-Wno-old-style-definition -O -Wall -W" } */
   6 int
   7 f(c)
   8      char c; /* { dg-warning "unused parameter" "unused parameter warning" } */
   9 {
  10   return 0;
  11 }