Fixes are available
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
LI75846
Reported component name
XL C/C++ SLES10
Reported component ID
5724U8300
Reported release
A10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-01-27
Closed date
2011-01-27
Last modified date
2011-01-27
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++ SLES10
Fixed component ID
5724U8300
Applicable component levels
RA10 PSN IZ79803
UP06/09/13
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSJT9L","label":"XL C\/C++"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A.1","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
Document Information
Modified date:
15 October 2021