IBM Support

IV72746: VERY LONG COMPILE TIME WITH -QDBGFMT=DWARF

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When compiling very large source code with DWARF debug
    information enabled via -qdbgfmt=dwarf, the compiler is taking a
    very long time, and may not finish.
    

Local fix

  • Compile with stabstrings, via -qdbgfmt=stabstring
    

Problem summary

  • PROBLEM DESCRIPTION:
    When compiling large files with -g and -qdbgfmt=dwarf, the
    compilation speed may be very slow and an internal compiler
    error may be triggered.
    
    USERS AFFECTED:
    Users of DWARF debug information.
    

Problem conclusion

  • This APAR will fix the compilation time issue as well as the
    internal compiler error issue.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV72746

  • Reported component name

    XL C FOR AIX

  • Reported component ID

    5725C7100

  • Reported release

    D10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2015-04-27

  • Closed date

    2015-04-27

  • Last modified date

    2015-04-27

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

    IV68485

  • 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

  • RD10 PSY

       



Document information

More support for: XL C for AIX
Compiler

Software version: 13.1

Reference #: IV72746

Modified date: 27 April 2015