LI76613: COMPILATION HANG WITH -O3 -QHOT

June 2012 Update for XL Fortran for Linux, V13.1
October 2012 Update for XL Fortran for Linux, V13.1
XL Fortran for Linux Fix Pack 8 (June 2013 Update) for 13.1

APAR status

• Closed as program error.

Error description

• A source file from an application
  hangs during compile at higher
  optimization levels involving -qhot with V13.1 XLF for AIX.
  
  Using -qxflag=ntempv can work around the issue.
  

Local fix

• Use -qxflag=ntempv
  

Problem summary

• PROBLEM DESCRIPTION: There are checks in temp vector allocation
  to ensure the clusters are contiguous.
  However these checks occur too late - right before vector
  allocation instead of when
  the clusters are being created. This results in compile time
  hang with -qhot for some files.
  
  USERS AFFECTED: Users of -qhot
  

Problem conclusion

• Problem is fixed. Apply recommended service.
  

Temporary fix

Comments

APAR Information

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

  IV07276

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

Fix information

• Fixed component name

  XL FORTRAN LINU

• Fixed component ID

  5724X1600

Applicable component levels

• RD10 PSN IV07276

     UP06/09/13