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view gcc/testsuite/c-c++-common/Wlogical-op-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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/* { dg-do compile } */
/* { dg-options "-Wlogical-op" } */

void
fn1 (int a)
{
  const int x = a;
  if (x && x) {} /* { dg-warning "logical .and. of equal expressions" } */
  if (x && (int) x) {} /* { dg-warning "logical .and. of equal expressions" } */
  if ((int) x && x) {} /* { dg-warning "logical .and. of equal expressions" } */
  if ((int) x && (int) x) {} /* { dg-warning "logical .and. of equal expressions" } */
}

void
fn2 (int a)
{
  const int x = a;
  if (x || x) {} /* { dg-warning "logical .or. of equal expressions" } */
  if (x || (int) x) {} /* { dg-warning "logical .or. of equal expressions" } */
  if ((int) x || x) {} /* { dg-warning "logical .or. of equal expressions" } */
  if ((int) x || (int) x) {} /* { dg-warning "logical .or. of equal expressions" } */
}