gcc/testsuite/gnat.dg/array16.adb

   1 -- { dg-do compile }
   2 -- { dg-options "-O -gnatn -fdump-tree-optimized" }
   3
   4 package body Array16 is
   5
   6   function F1 (A : access My_T1) return My_T1 is
   7   begin
   8     return A.all;
   9   end;
  10
  11   function F2 (A : access My_T2) return My_T2 is
  12   begin
  13     return A.all;
  14   end;
  15
  16   procedure Proc (A : access My_T1; B : access My_T2) is
  17     L1 : My_T1 := F1(A);
  18     L2 : My_T2 := F2(B);
  19   begin
  20     if L1.D = 0 and then L2(1) = 0 then
  21       raise Program_Error;
  22     end if;
  23   end;
  24
  25 end Array16;
  26
  27 -- { dg-final { scan-tree-dump-not "secondary_stack" "optimized" } }
  28 -- { dg-final { cleanup-tree-dump "optimized" } }