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/* { dg-do compile } */ 
/* { dg-options "-O1 -fdump-tree-optimized" } */
 
extern void link_error (void);
 
/* Check for dead stores to an array.  */
 
void foo (int testarray[])
{
  testarray[0] = 0;
  testarray[0]++;
  if (testarray[0] != 1)
    link_error ();
}
 
/* There should be only one reference to "testarray" and one in the function header.  */
/* { dg-final { scan-tree-dump-times "testarray" 2 "optimized" } } */
 
/* There should be no link_error calls.  */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */