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/* { dg-do compile } */

/* { dg-options "-O1 -fdump-tree-dom3" } */

extern void abort (void);

typedef unsigned int size_t;

struct rtx_def;

typedef struct rtx_def *rtx;

typedef union varray_data_tag

{

  struct reg_info_def *reg[1];

} varray_data;

struct varray_head_tag

{

  size_t num_elements;

  varray_data data;

};

typedef struct varray_head_tag *varray_type;

typedef struct reg_info_def

{

} reg_info;

extern varray_type reg_n_info;

static rtx *reg_base_value;

static rtx *new_reg_base_value;

rtx

blah (unsigned int regno)

{

  if (new_reg_base_value[regno] && ((*(

                                        {

                                        if (regno >=

                                            reg_n_info->

                                            num_elements)

                                        abort ();

                                        &reg_n_info->data.reg[regno];}

                                     ))))

    return reg_base_value[regno];

}

/* If we have more than 1 cast to a struct rtx_def * *, then we failed to

   eliminate some useless typecasting.  The first type cast is needed

   to convert the unsigned int regno parameter into a struct rtx_def **.  */

/* { dg-final { scan-tree-dump-times "\\(struct rtx_def \\* \\*\\)" 1 "dom3"} } */

/* { dg-final { cleanup-tree-dump "dom3" } } */