gcc/testsuite/gcc.dg/multiple-overflow-warn-3.c

   1 /* PR 30465 : Test for duplicated warnings in a conversion.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Woverflow" } */
   4
   5 short int
   6 g (void)
   7 {
   8   short int wc = ((short int)1 << (8 * __SIZEOF_INT__ - 1)) - 1; /* { dg-bogus "overflow .* overflow" } */
   9   /* { dg-warning "overflow" "" { target *-*-* } .-1 } */
  10   return wc;
  11 }
  12
  13