1  /* { dg-do compile } */
       2  /* { dg-options "-Wall -std=gnu89" } */
       3  /* This testcase should fail since we're redefining foo in the same
       4     translation unit.  */
       5  int foo (void) { return 2; } /* { dg-message "note: previous definition of" } */
       6  extern inline int foo (void) { return 1; } /* { dg-error "redefinition of" } */