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      1 // { dg-do run  }
      2 // Test that unwinding properly restores SP.
      3 // Contributed by Jason Merrill <jason (at) cygnus.com>
      4 
      5 void f (int i)
      6 {
      7   throw i;
      8 }
      9 
     10 int main ()
     11 {
     12   void *sp1 = __builtin_alloca (0);
     13 
     14   try
     15     {
     16       f (0);
     17     }
     18   catch (int)
     19     {
     20     }
     21 
     22   void *sp2 = __builtin_alloca (0);
     23 
     24   return (sp1 != sp2);
     25 }
     26