gcc/testsuite/gcc.dg/20030612-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3
   4 extern void abort (void);
   5
   6 int A, B;
   7
   8 void foo()
   9 {
  10   long x = 3;
  11   (void)({
  12     A = B + x + ((1) - 1);
  13     return;     /* { dg-warning "statement-expressions should end with a non-void expression" "" { xfail *-*-* } } */
  14   });
  15 }
  16
  17 main()
  18 {
  19   B = 5;
  20   foo();
  21   if (A != 8)
  22     abort ();
  23   return 0;
  24 }