IV85610: INSUFFICIENT MEMORY IN COMPILER FRONT END WHEN COMPILING A LARGETEST CASE

XL C/C++ for AIX Fix Pack 2 (July 2016 PTF) for 13.1.3
XL C/C++ for AIX, V13.1.3.3 Fix Pack (December 2016)
XL C/C++ for AIX, V13.1.3.4 Fix Pack (April 2017)
XL C/C++ for AIX, V13.1.3.5 Fix Pack (July 2018)
XL C/C++ for AIX, V13.1.3.6 Fix Pack (May 2019)

APAR status

• Closed as program error.

Error description

• When compiler a large test case, the compiler front end runs out
  of memory and produces a "Insufficient memory at compile time"
  error.
  

Local fix

• Splitting up the large source file into two is a potential
  workaround.
  

Problem summary

• USERS AFFECTED:
  The problem was exposed in generated code which had a
  combination of many local
  variables requiring ctor/dtor calls and many different return
  statements.
  
  PROBLEM DESCRIPTION:
  Each return statement was duplicating the dtor calls for the
  local variables,
  there by causing the compiler was running out of memory due to
  the large number of duplicates.
  

Problem conclusion

• The issue has been resolved.
  

Temporary fix

Comments

APAR Information

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

  IV81019

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

Fix information

• Fixed component name

  XL C/C++ FOR AI

• Fixed component ID

  5725C7200

Applicable component levels

• RD13 PSN IV81019

     UP06/09/13