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Status Not under consideration
Workspace COBOL Compilers
Created by Guest
Created on Jul 12, 2017

RELATED IDEAS

DIAGTRUNC in context with PERFORM VARYING

Missing WARNING when a variable value is exceeded. We just found that using PERFORM a variable overrun is not always handeled in the same way.
Example:

05 IND-D PIC 9(2).

MOVE +102 TO IND-D

IGYPA3228-W High order digit positions in the sender may be truncated in the move to receiver "IND-D (NUMERIC INTEGER)"

PERFORM VARYING IND-D FROM 102 BY -1
UNTIL ZAEHLER > 10
DISPLAY 'TEST: ' IND-D
ADD 1 TO ZAEHLER
END-PERFORM.

The WARNING is correct but its only related to the value assignment. If the value assignment is omitted no WARNING is given, even the variable value is also exceeded in the PERFORM loop:

* MOVE +102 TO IND-D

PERFORM VARYING IND-D FROM 102 BY -1
UNTIL ZAEHLER > 10
DISPLAY 'TEST: ' IND-D
ADD 1 TO ZAEHLER
END-PERFORM.

A programmer should avoid such a situation, but however we believe its an error that in the second case no WARNING is given.

Idea priority Low
  • Guest
    Reply
    |     Dec 16, 2020

    IBM Enterprise COBOL for z/OS is a continuous delivery offering, and aims to satisfy the needs of a rapidly evolving market segment. Product strategy evolves and requirements are continuously evaluated against that strategy. This RFE has recently been reappraised against the wider product strategy and does not fall into IBMs delivery plans for the next 12 month. Whilst this RFE might be valid and we might look to deliver longer term, this RFE is being rejected at this time. The requirement will be kept in our internal RFE backlog and might be reassessed in the future.

  • Guest
    Reply
    |     Aug 1, 2017

    This RFE has been accepted. It will be updated once put into plan for a future compiler version.

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