redecl-5.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 20 行

/* Test for multiple declarations and composite types.  Diagnosis of
   incompatible implicit declaration.  */
/* Origin: Joseph Myers <[e-mail]> */
/* { dg-do compile } */
/* { dg-options "-std=c89" } */

void
f (void)
{
  long z(); /* { dg-error "previous implicit declaration" } */
}

void
g (void)
{
  z(); /* { dg-error "incompatible" } */
  labs(1); /* { dg-warning "incompatible" } */
  printf("x"); /* { dg-warning "incompatible" } */
}