1  /* { dg-do compile } */
       2  /* { dg-skip-if "" { ! { arm_thumb1_ok || arm_thumb2_ok } } } */
       3  /* { dg-options "-mthumb -Os" }  */
       4  /* { dg-final { scan-assembler "push\t\{r3" { target { ! arm*-*-uclinuxfdpiceabi } } } } */
       5  /* { dg-final { scan-assembler-not "\[^\-e\]r8" { target { ! arm*-*-uclinuxfdpiceabi } } } } */
       6  
       7  extern int hist_verify;
       8  extern int a1;
       9  extern char *pre_process_line (char*);
      10  extern char* savestring1 (char*, char*);
      11  extern char* str_cpy (char*, char*);
      12  extern int str_len (char*);
      13  extern char* x_malloc (int);
      14  #define savestring(x) (char *)str_cpy (x_malloc (1 + str_len (x)), (x))
      15  
      16  char *
      17  history_expand_line_internal (char* line)
      18  {
      19    char *new_line;
      20    int old_verify;
      21    int a = a1;
      22    old_verify = hist_verify;
      23    hist_verify = 0;
      24    new_line = pre_process_line (line);
      25    hist_verify = old_verify + a;
      26    /* Two tail calls here, but r3 is not used to pass values.  */
      27    return (new_line == line) ? savestring (line) : savestring1 (new_line, line);
      28  }