1  /* PR middle-end/100510 - bogus -Wvla-large-than with -Walloca
       2     { dg-do compile }
       3     { dg-options "-O0 -Walloca -Wvla-larger-than=1000" }
       4     { dg-require-effective-target alloca } */
       5  
       6  void f (void*);
       7  
       8  #pragma GCC optimize ("0")
       9  
      10  void nowarn_O0 (__SIZE_TYPE__ n)
      11  {
      12    if (n > 32)
      13      return;
      14  
      15    char a[n];                  // { dg-bogus "\\\[-Wvla-larger-than=" }
      16    f (a);
      17  }
      18  
      19  #pragma GCC optimize ("1")
      20  
      21  void nowarn_O1 (__SIZE_TYPE__ n)
      22  {
      23    if (n > 33)
      24      return;
      25  
      26    char a[n];                  // { dg-bogus "\\\[-Wvla-larger-than=" }
      27    f (a);
      28  }
      29  
      30  #pragma GCC optimize ("2")
      31  
      32  void nowarn_O2 (__SIZE_TYPE__ n)
      33  {
      34    if (n > 34)
      35      return;
      36  
      37    char a[n];                  // { dg-bogus "\\\[-Wvla-larger-than=" }
      38    f (a);
      39  }