gnu/dist/gcc4/gcc/testsuite/gcc.dg/noncompile/20020207-1.c

   1 /* This testcase ICEd because statement expression type was set, but was not
   2    as used.  */
   3
   4 struct A {
   5   unsigned int a, b, c;
   6 };
   7
   8 extern void abort (void);
   9 extern void exit (int);
  10
  11 struct A bar (void)
  12 {
  13   return (struct A) { 176, 52, 31 };
  14 }
  15
  16 void baz (struct A *a)
  17 {
  18   if (a->a != 176 || a->b != 52 || a->c != 31)
  19     abort ();
  20 }
  21
  22 int main ()
  23 {
  24   struct A d;
  25
  26   d = ({ { bar (); } });                /* { dg-error "void value" } */
  27   d = ({ if (1) { bar (); } });         /* { dg-error "void value" } */
  28   d = ({ while (0) { bar (); } });      /* { dg-error "void value" } */
  29   d = ({ do { bar (); } while (0); });  /* { dg-error "void value" } */
  30   baz (&d);
  31   exit (0);
  32 }