gcc/testsuite/gcc.dg/pr12625-1.c

   1 /* Warning for assignment used as truth-value should apply for
   2    bit-fields.  */
   3 /* Origin: bug 12625 from nomura at netapp.com */
   4 /* { dg-do compile } */
   5 /* { dg-options "-Wparentheses" } */
   6
   7 static struct { int i:8; } s;
   8
   9 void
  10 foo ()
  11 {
  12   if (s.i = 0) ; /* { dg-warning "parentheses" "warning for bit-field" } */
  13 }