view gcc/testsuite/c-c++-common/Wint-in-bool-context-3.c @ 16:04ced10e8804

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

#define BITS_PER_UNIT 8

int foo (int count)
{
  int alignment;
 
  alignment = 1;
  while (!(count & alignment)
         && (alignment * 2 * BITS_PER_UNIT)) /* { dg-warning "boolean context" } */
    alignment <<= 1;
  return alignment * BITS_PER_UNIT;
}