File: loopvar.adb

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

procedure Loopvar (S : String) is
   J : Integer := S'First;
begin
   while J < S'Last loop
      pragma Loop_Variant (J);               -- { dg-error "expect name \"Increases\"" }
      pragma Loop_Variant (Increasing => J); -- { dg-error "expect name \"Increases\"" }
      pragma Loop_Variant (J + 1);           -- { dg-error "expect name \"Increases\"" }
      pragma Loop_Variant (incr => -J + 1);  -- { dg-error "expect name \"Increases\"" }
      pragma Loop_Variant (decr => -J + 1);  -- { dg-error "expect name \"Decreases\"" }
      pragma Loop_Variant (foof => -J + 1);  -- { dg-error "expect name \"Increases\" or \"Decreases\"" }
      J := J + 2;
   end loop;
end Loopvar;