gcc/testsuite/gcc.dg/redecl-11.c

   1 /* Some incompatible external linkage declarations were not diagnosed.
   2    Bug 21342.  */
   3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   4 /* { dg-do compile } */
   5 /* { dg-options "" } */
   6
   7 int f(int (*)[]);
   8 void g() { int f(int (*)[2]); } /* { dg-error "previous declaration of 'f' was here" } */
   9 int f(int (*)[3]); /* { dg-error "conflicting types for 'f'" } */