gcc/testsuite/gcc.dg/label-decl-2.c

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