NOOPTIMIZE

 The NOOPTIMIZE attribute prohibits the compiler from  optimizing
 code for the compilation unit or routine.

 The NOOPTIMIZE  attribute  guarantees  left-to-right  evaluation
 order  with  full  evaluation of both operands of the AND and OR
 Boolean operators to aid in diagnosing all potential programming
 errors.   If you wish to have short circuit evaluation even with
 the NOOPTIMIZE attribute, then  use  the  AND_THEN  and  OR_ELSE
 Boolean operators.

 See the "HP Pascal Language Reference Manual" for  the  complete
 description of using the NOOPTIMIZE attribute.