gcc/testsuite/gcc.dg/pr30904.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 extern int t;
   5 extern void link_error(void);
   6 int main (void)
   7 {
   8       struct { unsigned int a : 7; } s;
   9       s.a = t;
  10       if (s.a >> 8)
  11           link_error ();
  12       if (s.a >> 9)
  13           link_error ();
  14 }
  15
  16
  17 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"  } } */
  18 /* { dg-final { cleanup-tree-dump "optimized" } } */