view gcc/testsuite/gcc.dg/Wjump-misses-init-2.c @ 157:dafe684d005c

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:08:54 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* { dg-do compile } */
/* { dg-options "-Wjump-misses-init -std=c99" } */
extern void f1 ();
int
f2 (int a)
{
  switch (a)		/* { dg-message "switch" } */
    {
    case 1:
      f1 ();
      int v2 = 3;	/* { dg-message "here" } */
    case 2:		/* { dg-warning "jump" } */
      if (v2 == 7)
	f1 ();
    }
  return 0;
}

int
f3 (int i)
{
  if (i)
    goto bad;		/* { dg-warning "jump" } */
  int a = f2 (i); 	/* { dg-message "here" } */
 bad:			/* { dg-message "here" } */
  return a;
}

int
f4 (int a)
{
  switch (a)
    {
    case 1:
      f1 ();
      static int v2 = 3;
    case 2:
      if (v2 == 7)
	f1 ();
    }
  return 0;
}

int
f5 (int i)
{
  if (i)
    goto bad;
  static int a = 6;
 bad:
  return a;
}