gcc/testsuite/gcc.dg/tree-ssa/20031106-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 extern void link_error (void);
   5
   6 /* Check for dead stores to an array.  */
   7
   8 void foo (int testarray[])
   9 {
  10   testarray[0] = 0;
  11   testarray[0]++;
  12   if (testarray[0] != 1)
  13     link_error ();
  14 }
  15
  16 /* There should be only one reference to "testarray" and one in the function header.  */
  17 /* { dg-final { scan-tree-dump-times "testarray" 2 "optimized" } } */
  18
  19 /* There should be no link_error calls.  */
  20 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
  21 /* { dg-final { cleanup-tree-dump "optimized" } } */