gcc/testsuite/gcc.dg/label-decl-3.c

   1 /* Test diagnostics for label declarations.  Test with
   2    -pedantic-errors.  */
   3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-pedantic-errors" } */
   6
   7 typedef int b;
   8
   9 void
  10 f (void)
  11 {
  12   __label__ a, b, c, d;
  13   __extension__ (void)&&d; /* { dg-error "label 'd' used but not defined" } */
  14   /* { dg-error "ISO C forbids label declarations" "label decls" { target *-*-* } 12 } */
  15   goto c; /* { dg-error "label 'c' used but not defined" } */
  16  a: (void)0;
  17  b: (void)0;
  18 }