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

Using Language Environment with the new compiler

Using the right run-time options
Calling PL/I from assembler main programs
Understanding when your results may vary
Return codes
When the run-time issues messages
What the run-time messages say
Where the run-time messages go
Math built-ins
Dumps
Storage reports
Prerequisite Language Environment PTFs

Many of the same considerations that were discussed in Considerations Before Migrating apply to the new compiler as well. Please refer to that chapter for run-time considerations when using the new compiler.

Understanding when working code must be changed also contains useful information about differences between Enterprise PL/I run-time results and previous versions of PL/I.


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