gcc/testsuite/gnat.dg/array24.adb

   1 -- { dg-do compile }
   2 -- { dg-options "-fdump-tree-optimized" }
   3
   4 procedure Array24 (N : Natural) is
   5   S : String (1 .. N);
   6   pragma Volatile (S);
   7 begin
   8   S := (others => '0');
   9 end;
  10
  11 -- { dg-final { scan-tree-dump-not "builtin_unwind_resume" "optimized"  } }