File: loop_invariant1.adb

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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--  { dg-do compile }
--  { dg-options "-gnata" }

package body Loop_Invariant1 is

   procedure Proc (A : Arr; N : Integer) is
      I : Integer := A'First;
   begin
      while i <= A'Last and then A(A'First .. A'Last) /= A loop
         pragma Loop_Invariant (N = N'Loop_Entry);
         i := i + 1;
      end loop;
   end;

end Loop_Invariant1;