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      1 // Reduced from PR c++/5246, PR c++/2447
      2 // { dg-options "-O -fomit-frame-pointer" }
      3 // { dg-do run }
      4 
      5 void step (int)
      6 {
      7   void *sp = __builtin_alloca (0);
      8 }
      9 
     10 void f2 (void)
     11 {
     12   step (2);
     13   throw int();
     14 }
     15 
     16 void f1 (void)
     17 {
     18   try
     19     {
     20       step (1);
     21       f2 ();
     22       step (-1);
     23     }
     24   catch (int)
     25     {
     26       step (3);
     27     }
     28 }
     29 
     30 int main ()
     31 {
     32   f1 ();
     33   return 0;
     34 }
     35