pr27302-2.c

来自「用于进行gcc测试」· C语言 代码 · 共 53 行

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/* { dg-do run } *//* { dg-options "-fstrict-overflow" } */extern void link_error (void);void test0 (int a, int b){  if ((a < b) != (b > a))    link_error ();  if ((a - 1 < b) != (a <= b))    link_error ();  if ((a - 2 < b) != (a - 1 <= b))    link_error ();  if ((a + -1 < b) != (a <= b))    link_error ();  if ((a + -2 < b) != (a + -1 <= b))    link_error ();  if ((a + 1 > b) != (a >= b))    link_error ();  if ((a + 2 > b) != (a + 1 >= b))    link_error ();  if ((a - -1 > b) != (a >= b))    link_error ();  if ((a - -2 > b) != (a - -1 >= b))    link_error ();  if ((a + 1 <= b) != (a < b))    link_error ();  if ((a + 2 <= b) != (a + 1 < b))    link_error ();  if ((a - -1 <= b) != (a < b))    link_error ();  if ((a - -2 <= b) != (a - -1 < b))    link_error ();  if ((a - 1 >= b) != (a > b))    link_error ();  if ((a - 2 >= b) != (a - 1 > b))    link_error ();  if ((a + -1 >= b) != (a > b))    link_error ();  if ((a + -2 >= b) != (a + -1 > b))    link_error ();}int main(){  test0 (1, 2);  return 0;}

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