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IV91685: SIGNAL 11 WITH -O3 AND -QOPTDEBUG

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • The compiler produce a signal 11 in IPA  when compiling with -O3
    and -qoptdebug for the following testcase:
    
    ===== COMPILE COMMAND:
    xlf -C  -qoptdebug -c test.f90 -v -O3
    
    
    ===== TESTCASE:
    bgqts6fen4:bkanneth% cat test.f90
        subroutine Specific_Cavity_Data ()
        implicit none
        integer (kind=4) :: n
        integer (kind=4) , dimension(3) :: index
    
        do n= 1,1
        index(1)= index(1) + 1
        index(2)= index(2) + 1
        enddo
        end subroutine Specific_Cavity_Data
    bgqts6fen4:bkanneth%
    
    
    
    
    ===== ACTUAL OUTPUT:
    Calling signal handler...
    1586-494 (U) INTERNAL COMPILER ERROR: Signal 11.
    /gsa/tlbgsa/projects/x/xlcmpbld/run/xlf/141/bgq/solution/160330a
    /opt/ibmcmp/xlf/bg/14.1/bin/.orig/xlf: 1501-230 (S) Internal
    compiler error; please contact your Service Representative. For
    more information visit:
    http://www.ibm.com/support/docview.wss?uid=swg21110810
    1501-511  Compilation failed for file test.f90.
    
    
    
    ===== EXPECTED OUTPUT:
    No signall 11.
    

Local fix

  • N/A
    

Problem summary

  • USERS AFFECTED:
    Users who use -O3 and -qoptdebug maybe affected by this issue.
    
    PROBLEM DESCRIPTION:
    The compiler produces a Signal 11 in IPA  when compiling with
    -O3 and -qoptdebug because optdebug was not handling range
    checks properly.
    

Problem conclusion

  • The compiler has been fixed such that optdebug properly handles
    range checks.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV91685

  • Reported component name

    XL C FOR AIX

  • Reported component ID

    5725C7100

  • Reported release

    D13

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-12-21

  • Closed date

    2016-12-21

  • Last modified date

    2016-12-21

  • APAR is sysrouted FROM one or more of the following:

    LI79258

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    XL C FOR AIX

  • Fixed component ID

    5725C7100

Applicable component levels

  • RD13 PSY

       UP



Document information

More support for: XL C for AIX
Compiler

Software version: D13

Reference #: IV91685

Modified date: 21 December 2016