Fixes are available
XL C/C++ for Linux Fix Pack 9 (August 2013 Update) for 11.1
April 2011 Update for XL C/C++ for Linux, V11.1
July 2011 Update for XL C/C++ for Linux, V11.1
October 2011 Update for XL C/C++ for Linux, V11.1
June 2012 Update for XL C/C++ for Linux, V11.1
October 2012 Update for XL C/C++ for Linux, V11.1
XL C/C++ for Linux Fix Pack 8 (June 2013 Update) for 11.1
APAR status
Closed as program error.
Error description
Using object constructors as the second and third operands in a ?: conditional is corrupting the exception unwinding stack. As an example, a conditional of the form: object1 = ( true ? TestObject(10) : TestObject(11) ); is pushing an extra object reference on to the unwinding stack. When an exception is thrown, a destructor is accidentlly called twice, possibly resulting in a runtime error or crash.
Local fix
Change the ?: conditional into an 'if' statement.
Problem summary
PROBLEM DESCRIPTION: Unnecessary exception handling table cloning applied, thus creating corrupt exception handling table. USERS AFFECTED: Temporaries constructed within the context of conditional expressions may expose the problem when throwing an exception after the conditional but before another exception handling state change.
Problem conclusion
The exception handling table cloning has been restricted to only the cases where it is needed.
Temporary fix
Comments
APAR Information
APAR number
LI76105
Reported component name
XL C/C++ FOR LI
Reported component ID
5724X1400
Reported release
B10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2011-04-27
Closed date
2011-04-27
Last modified date
2011-04-27
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
XL C/C++ FOR LI
Fixed component ID
5724X1400
Applicable component levels
RB10 PSN IZ92370
UP06/09/13
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Document Information
Modified date:
17 October 2021