label-decl-4.c

来自「用于进行gcc测试」· C语言 代码 · 共 15 行

/* Test diagnostics for duplicate label declarations.  */
/* Origin: Joseph Myers <[e-mail]> */
/* { dg-do compile } */
/* { dg-options "" } */

void
f (void)
{
  __label__ a, b, a; /* { dg-error "duplicate label declaration 'a'" } */
  /* { dg-error "previous declaration of 'a' was here" "previous" { target *-*-* } 9 } */
  __label__ c; /* { dg-error "previous declaration of 'c' was here" } */
  __label__ c; /* { dg-error "duplicate label declaration 'c'" } */
  return;
}