wdeclaration-after-statement-2.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 27 行

/* Test for C99 mixed declarations and code giving warnings, not error with
   -Wdeclaration-after-statement.  See also c9?-mixdecl-*.  */
/* Origin: Joseph Myers <[e-mail]> */
/* { dg-do run } */
/* { dg-options "-std=c99 -pedantic-errors -Wdeclaration-after-statement" } */

extern void abort (void);
extern void exit (int);

int
main (void)
{
  int i = 0;
  if (i != 0)
    abort ();
  i++;
  if (i != 1)
    abort ();
  int j = i;				/* { dg-warning "warning" "declaration-after-statement" } */
  if (j != 1)
    abort ();
  struct foo { int i0; } k = { 4 };	/* { dg-warning "warning" "declaration-after-statement" } */
  if (k.i0 != 4)
    abort ();
  exit (0);
}