gcc/testsuite/gcc.dg/pr84068.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-sched-critical-path-heuristic -fno-sched-rank-heuristic --param=max-sched-extend-regions-iters=5 --param sched-pressure-algorithm=2" } */
   3
   4 #ifdef __SIZEOF_INT128__
   5 typedef __int128 largeint;
   6 #else
   7 typedef long long largeint;
   8 #endif
   9
  10 largeint a;
  11 int b;
  12
  13 largeint
  14 foo (char d, short e, int f)
  15 {
  16   b = __builtin_sub_overflow_p (b, 1, (unsigned long)0);
  17   return a + f;
  18 }