Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Compiler and Runtime Migration Guide


Upgrading Language Environment release levels

Language Environment provides general object and load module compatibility for applications that ran with a previous release of Language Environment. In the following cases however, you must either relink or recompile when upgrading to specific Language Environment release levels:

CSECT replace: You do not need to relink modules to replace CEE* CSECTS or IGZ* CSECTS (by using REPLACE linkage-editor control statements) when you move from one release of Language Environment to another release of Language Environment. Doing so is not recommended.


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