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/* { dg-do compile } */

/* { dg-options "-O3 -fdump-tree-optimized" } */

struct frame_info;

void tui_registers_changed_hook (void);

extern struct frame_info *deprecated_selected_frame;

int tui_refreshing_registers = 0;

void

tui_registers_changed_hook (void)

{

  struct frame_info *fi;

  fi = deprecated_selected_frame;

  if (fi)

    {

      if (tui_refreshing_registers == 0)

        {

          tui_refreshing_registers = 1;

          tui_refreshing_registers = 0;

        }

    }

  return;

}

/* No references to tui_refreshing_registers should remain.  */

/* { dg-final { scan-tree-dump-not "tui_refreshing_registers" "optimized"} } */

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