Fixes are available
November 2010 Update for XL C/C++ for Linux, V11.1
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
When compiling the following test case with HOT transformations on via the -qhot option, the compiler is encountering an internal error: ===== TEST CASE ===== xlc -c -qhot test.c void a(char** b, const char** c, const char* d, char** e) { char g = 0; for (;;) { const char* h = 0; int i = 0; if (*c == d) break; h = b[**c]; i = *h++; if (i == 0) { i = 1; h = &g; } (*c)++; do { *(*e)++ = *h++; } while (--i != 0); } }
Local fix
Avoid usage of -qhot
Problem summary
PROBLEM DESCRIPTION: A compiler optimization is not ending when a loop guard branch is not found. USERS AFFECTED: Users of -qhot
Problem conclusion
Corrected optimization to check if a loop guard branch is not found.
Temporary fix
Comments
APAR Information
APAR number
LI75786
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
2010-11-24
Closed date
2010-11-24
Last modified date
2010-11-24
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 IZ79803
UP06/09/13
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSXVZZ","label":"XL C\/C++ for Linux"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B10","Line of Business":{"code":"LOB57","label":"Power"}}]
Document Information
Modified date:
15 October 2021