wstrict-overflow-19.c

来自「用于进行gcc测试」· C语言 代码 · 共 16 行

/* { dg-do compile } */
/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow" } */

/* Don't warn about an overflow when threading jumps.  We used to get
   a warning from comparing bounds generated by VRP.  */

int
bar(int a, int b, int n)
{
  if (b > a)
    n = a - b;
  if (a >= b)
    n = 1;
  return n;
}