gcc/testsuite/gcc.dg/pr91860-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Og -fipa-cp -g --param=max-combine-insns=3" } */
   3
   4 char a;
   5 int b;
   6
   7 static void
   8 bar (short d)
   9 {
  10   d <<= __builtin_sub_overflow (0, d, &a);
  11   b = __builtin_bswap16 (~d);
  12 }
  13
  14 void
  15 foo (void)
  16 {
  17   bar (21043);
  18 }