1  /* PR middle-end/15345, c/16450 */
       2  /* Test whether unused nested functions aren't emitted into the assembly.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-g0" } */
       5  /* { dg-require-effective-target trampolines } */
       6  
       7  int
       8  fn1 (int x)
       9  {
      10    int i = x;
      11    inline __attribute__((always_inline)) int
      12    should_not_appear1 (void)
      13    {
      14      return i;
      15    }
      16    return should_not_appear1 ();
      17  }
      18  
      19  int
      20  fn2 (int x)
      21  {
      22    int i = x;
      23    inline __attribute__((always_inline)) int
      24    should_not_appear2 (void)
      25    {
      26      return i;
      27    }
      28    return x;
      29  }
      30  
      31  extern void check (void *p);
      32  
      33  int
      34  fn3 (int x)
      35  {
      36    int i = x;
      37    inline int
      38    should_appear1 (void)
      39    {
      40      char *p = __builtin_alloca (i);
      41      check (p);
      42      return i;
      43    }
      44    return should_appear1 ();
      45  }
      46  
      47  int
      48  fn4 (int x)
      49  {
      50    int i = x;
      51    inline int
      52    should_not_appear3 (void)
      53    {
      54      char *p = __builtin_alloca (i);
      55      check (p);
      56      return i;
      57    }
      58    return 0 ? should_not_appear3 () : 1;
      59  }
      60  
      61  int
      62  fn5 (int x)
      63  {
      64    int i = x;
      65    inline int
      66    should_appear2 (void)
      67    {
      68      return i;
      69    }
      70    check (should_appear2);
      71    return i;
      72  }
      73  
      74  /* { dg-final { scan-assembler-not "should_not_appear" } } */