gcc/testsuite/c-c++-common/Wint-in-bool-context-2.c

   1 /* { dg-options "-Wint-in-bool-context" } */
   2 /* { dg-do compile } */
   3
   4 typedef unsigned u32;
   5 typedef unsigned char u8;
   6 #define KEYLENGTH 8
   7
   8 int foo (u8 plen, u32 key)
   9 {
  10   if ((plen < KEYLENGTH) && (key << plen)) /* { dg-bogus "boolean context" } */
  11     return -1;
  12
  13   if ((plen << KEYLENGTH) && (key < plen)) /* { dg-warning "boolean context" } */
  14     return -2;
  15
  16   return 0;
  17 }