A fix is available
APAR status
Closed as program error.
Error description
Failed assertion on ../z/codegen/machine/IBMMachine.cpp:1448
Local fix
BYPASS/CIRCUMVENTION: None RECOVERY ACTION: Apply PTF
Problem summary
**************************************************************** * USERS AFFECTED: Users of IBM Automatic Binary Optimizer * * (ABO) for z/OS, 2.1 and ABO for z/OS 2.1 * * Trial * **************************************************************** * PROBLEM DESCRIPTION: ABO may fail with a "Failed assertion * * on ../z/codegen/machine/IBMMachine.cpp: * * 1448" message when optimizing COBOL * * compiled programs containing REVERSE * * functions with a character string * * having more than 4096 characters. This * * is due to the compiler entering an * * invalid state and terminating when the * * incorrect state was detected. * **************************************************************** * RECOMMENDATION: Apply provided service * **************************************************************** ABO was modified to correctly optimize programs containing REVERSE functions with strings having more than 4096 characters.
Problem conclusion
ABO was modified to correctly optimize these types of input modules.
Temporary fix
Comments
APAR Information
APAR number
PH54854
Reported component name
AUTO BINARY OPT
Reported component ID
5697AB200
Reported release
210
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2023-05-31
Closed date
2023-06-19
Last modified date
2023-07-03
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
BOZBXITA BOZEXE1 BOZJIVP BOZMSGE BOZMSGK BOZMSGT BOZOBJ1 BOZOPT BOZPA BOZPAJ BOZRIDT BOZSMF BOZSMFJ BOZSMFR BOZSRC1
Fix information
Fixed component name
AUTO BINARY OPT
Fixed component ID
5697AB200
Applicable component levels
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSERQD","label":"IBM Automatic Binary Optimizer for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"210","Line of Business":{"code":"LOB70","label":"Z TPS"}}]
Document Information
Modified date:
16 June 2025