1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1-details" } */
       3  
       4  typedef union
       5  {
       6    int* data;
       7  } SA;
       8  
       9  typedef struct
      10  {
      11    int reserved;
      12    char* array;
      13  }SB;
      14  
      15  typedef struct
      16  {
      17    int status;
      18  }SC;
      19  
      20  void foo(SA* pResult, SB* method, SC* self)
      21  {
      22    if (method->array[0] == 'L' && !self->status && pResult->data != 0)
      23      pResult->data = pResult->data;
      24  }
      25  
      26  /* { dg-final { scan-tree-dump "Deleted redundant store" "fre1" } } */