view gcc/testsuite/gcc.dg/Wstringop-overflow-3.c @ 144:8f4e72ab4e11

fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 84e7813d76e9
children
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/* PR tree-optimization/84238 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-require-effective-target alloca } */

char a[1];
int b;
char *strncpy (char *, char *, __SIZE_TYPE__);
void
c ()
{
  char d[b];
  strncpy (a, &d[3], 3); /* { dg-warning "writing 3 bytes into a region of size 1" } */
}