Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Migration Guide

PREFIX

The PREFIX compiler option allows you to enable PL/I conditions without editing your source. The following three conditions are particularly useful to enable during test:

However, all these conditions will cause the compiler to generate more code and will sometimes cause the performance of the generated code to be significantly worse. Enabling the SIZE condition for an entire compilation can be especially expensive, and it is not recommended that you use this option with production programs.


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