gcc/testsuite/gcc.dg/decl-4.c

   1 /* Redeclaration of parameters is an error.  PR 13728.  */
   2 /* { dg-do compile } */
   3
   4 void f (int fred,       /* { dg-error "previous definition" "" } */
   5         int fred);      /* { dg-error "redefinition of parameter" "" } */
   6
   7 void f2 (int fred,      /* { dg-error "previous definition" "" } */
   8          int fred)      /* { dg-error "redefinition of parameter" "" } */
   9 {
  10 }