gcc/testsuite/gcc.dg/compare8.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wsign-compare" } */
   3
   4 int
   5 f(unsigned short a1, unsigned short a2, unsigned int b)
   6 {
   7   return ((a1+a2)|5) > b ? 2 : 3;  /* { dg-bogus "changes signedness" } */
   8 }
   9
  10 int
  11 g(unsigned short a1, unsigned short a2, unsigned int b)
  12 {
  13   return ((a1+a2)&5) > b ? 2 : 3;  /* { dg-bogus "changes signedness" } */
  14 }
  15
  16 int
  17 h(unsigned short a1, unsigned short a2, unsigned int b)
  18 {
  19   return ((a1+a2)^5) > b ? 2 : 3;  /* { dg-bogus "changes signedness" } */
  20 }
  21